MolluscaBase name details

Margaron I. Lea, 1852

857021  (urn:lsid:marinespecies.org:taxname:857021)

taxon inquirendum
Genus
Subgenus Margaron (Anodonta)
  » Species Margaron (Anodonta) angulata (I. Lea, 1838) accepted as Gonidea angulata (I. Lea, 1838) (recombination)
  » Species Margaron (Anodonta) argentea (I. Lea, 1840) accepted as Anodontoides argenteus (Lea, 1840)
  » Species Margaron (Anodonta) arkansensis (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) benedictensis (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) benedictii (I. Lea, 1870) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) buchanensis (I. Lea, 1838) accepted as Anodontoides ferussacianus (I. Lea, 1834) (recombination)
  » Species Margaron (Anodonta) californiensis (I. Lea, 1852) accepted as Anodonta californiensis I. Lea, 1852
  » Species Margaron (Anodonta) corpulenta (Cooper, W., 1834) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) couperiana (I. Lea, 1840) accepted as Utterbackia couperiana (I. Lea, 1840)
  » Species Margaron (Anodonta) dallasiana (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) danielsii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) dariensis (I. Lea, 1858) accepted as Pyganodon cataracta (Say, 1817)
  » Species Margaron (Anodonta) decora (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) denigrata (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) doliaris (I. Lea, 1865) accepted as Hamiota altilis (Conrad, 1834)
  » Species Margaron (Anodonta) dunlapiana (I. Lea, 1842) accepted as Utterbackia couperiana (I. Lea, 1840) (recombination)
  » Species Margaron (Anodonta) edentula (Say, 1829) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) ferruginea (I. Lea, 1840) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) ferussaciana (I. Lea, 1834) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) fluviatilis (Gmelin, 1791) accepted as Leptodea ochracea (Say, 1817)
  » Species Margaron (Anodonta) footiana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) fragilis (Lamarck, 1819) accepted as Pyganodon fragilis (Lamarck, 1819)
  » Species Margaron (Anodonta) gesnerii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) gibbosa (Say, 1824) accepted as Pyganodon gibbosa (Say, 1824)
  » Species Margaron (Anodonta) gigantea (I. Lea, 1839) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) globosa (I. Lea, 1841) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) grandis (Say, 1829) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) hallenbeckii (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858)
  » Species Margaron (Anodonta) harpethensis (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) henryana (I. Lea, 1857) accepted as Utterbackia imbecillis (Say, 1829)
  » Species Margaron (Anodonta) imbecillis (Say, 1829) accepted as Utterbackia imbecillis (Say, 1829)
  » Species Margaron (Anodonta) implicata (Say, 1829) accepted as Pyganodon implicata (Say, 1829)
  » Species Margaron (Anodonta) kennerlyi (I. Lea, 1860) accepted as Anodonta kennerlyi I. Lea, 1860 (recombination)
  » Species Margaron (Anodonta) kennicottii (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) lacustris (I. Lea, 1857) accepted as Pyganodon lacustris (I. Lea, 1857)
  » Species Margaron (Anodonta) leonensis (I. Lea, 1862) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) lewisii (I. Lea, 1857) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) linnaeana (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) maryattana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) micans (J. G. Anthony, 1865) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) modesta (I. Lea, 1857) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) nopalatensis (Sowerby, 1867) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) nuttalliana (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
  » Species Margaron (Anodonta) oblita (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) opaca (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) oregonensis (I. Lea, 1838) accepted as Anodonta oregonensis I. Lea, 1838
  » Species Margaron (Anodonta) ovata (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) papyracea (J. G. Anthony, 1865) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) pavonia (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) pepiniana (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) plana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) salmonia (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) shaefferiana (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) showalterii (I. Lea, 1860) accepted as Anodontoides radiatus (Conrad, 1834)
  » Species Margaron (Anodonta) simpsoniana (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) stewartiana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
  » Species Margaron (Anodonta) subcylindracea (I. Lea, 1839) accepted as Anodontoides ferussacianus (I. Lea, 1834)
  » Species Margaron (Anodonta) suborbiculata (Say, 1831) accepted as Utterbackia suborbiculata (Say, 1831)
  » Species Margaron (Anodonta) subvexa (Conrad, 1834) accepted as Strophitus subvexus (Conrad, 1834)
  » Species Margaron (Anodonta) tetragona (I. Lea, 1845) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) texasensis (I. Lea, 1859) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Anodonta) tryonii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
  » Species Margaron (Anodonta) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)
  » Species Margaron (Anodonta) virens (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Anodonta) virgulata (I. Lea, 1857) accepted as Pyganodon cataracta (Say, 1817)
  » Species Margaron (Anodonta) wahlamatensis (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
  » Species Margaron (Anodonta) wardiana (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
  » Species Margaron (Anodonta) williamsii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
  » Species Margaron (Anodonta) youkanensis (I. Lea, 1867) accepted as Anodonta beringiana (Middendorff, 1851)
Subgenus Margaron (Margaritana)
  » Species Margaron (Margaritana) alabamensis (Conrad, 1834) accepted as Potamilus inflatus (I. Lea, 1831)
  » Species Margaron (Margaritana) arcula (I. Lea, 1838) accepted as Alasmidonta arcula (I. Lea, 1838) (recombination)
  » Species Margaron (Margaritana) calceola (I. Lea, 1830) accepted as Alasmidonta viridis (Rafinesque, 1820) (incorrect gender ending, species epithet is a noun)
  » Species Margaron (Margaritana) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
  » Species Margaron (Margaritana) confragosa (Say, 1829) accepted as Arcidens confragosus (Say, 1829)
  » Species Margaron (Margaritana) connasaugaensis (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858)
  » Species Margaron (Margaritana) curreyana [sic] (I. Lea, 1840) accepted as Pegias fabula (I. Lea, 1838)
  » Species Margaron (Margaritana) dehiscens (Say, 1829) accepted as Hemistena lata (Rafinesque, 1820)
  » Species Margaron (Margaritana) deltoidea (I. Lea, 1838) accepted as Alasmidonta viridis (Rafinesque, 1820) (recombination)
  » Species Margaron (Margaritana) elliottii (I. Lea, 1857) accepted as Amblema elliottii (I. Lea, 1857)
  » Species Margaron (Margaritana) elliptica (I. Lea, 1859) accepted as Anodontoides radiatus (Conrad, 1834)
  » Species Margaron (Margaritana) fabula (I. Lea, 1838) accepted as Pegias fabula (I. Lea, 1838) (recombination)
  » Species Margaron (Margaritana) georgiana (I. Lea, 1859) accepted as Lasmigona etowaensis (Conrad, 1849)
  » Species Margaron (Margaritana) gesnerii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834)
  » Species Margaron (Margaritana) hildrethiana (I. Lea, 1834) accepted as Simpsonaias ambigua (Say, 1825)
  » Species Margaron (Margaritana) holstonia (I. Lea, 1838) accepted as Lasmigona holstonia (I. Lea, 1838) (recombination)
  » Species Margaron (Margaritana) margaritifera (Linnaeus, 1758) accepted as Margaritifera margaritifera (Linnaeus, 1758)
  » Species Margaron (Margaritana) marginata (Say, 1818) accepted as Alasmidonta marginata Say, 1818
  » Species Margaron (Margaritana) minor (I. Lea, 1843) accepted as Toxolasma paulum (I. Lea, 1840)
  » Species Margaron (Margaritana) quadrata (I. Lea, 1861) accepted as Lasmigona subviridis (Conrad, 1835)
  » Species Margaron (Margaritana) radiata (Conrad, 1834) accepted as Anodontoides radiatus (Conrad, 1834)
  » Species Margaron (Margaritana) raveneliana (I. Lea, 1834) accepted as Alasmidonta raveneliana (I. Lea, 1834)
  » Species Margaron (Margaritana) rugosa (Barnes, 1823) accepted as Quadrula quadrula (Rafinesque, 1820)
  » Species Margaron (Margaritana) spillmanii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834)
  » Species Margaron (Margaritana) tombigbeensis (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834)
  » Species Margaron (Margaritana) triangulata (I. Lea, 1858) accepted as Alasmidonta triangulata (I. Lea, 1858)
  » Species Margaron (Margaritana) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)

Subgenus Margaron (Unio) accepted as Unio Philipsson, 1788 (reversed priority of genus-group names)
  » Species Margaron (Unio) paliatus (I. Lea, 1836) accepted as Elliptio complanata (Lightfoot, 1786) (nomen nudum)
  » Species Margaron (Unio) abacus (Haldeman, 1842) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
  » Species Margaron (Unio) abbevillensis (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) aberrans (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) aberti (Conrad, 1850) accepted as Cyprogenia aberti (Conrad, 1850)
  » Species Margaron (Unio) acutissimus (I. Lea, 1831) accepted as Medionidus acutissimus (I. Lea, 1831)
  » Species Margaron (Unio) aequatus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834)
  » Species Margaron (Unio) æsopus (Green, 1827) accepted as Plethobasus cyphyus (Rafinesque, 1820)
  » Species Margaron (Unio) affinis (I. Lea, 1853) accepted as Lampsilis straminea (Conrad, 1834)
  » Species Margaron (Unio) aheneus (I. Lea, 1843) accepted as Elliptio ahenea (I. Lea, 1843) (recombination)
  » Species Margaron (Unio) alatus (Say, 1817) accepted as Potamilus alatus (Say, 1817)
  » Species Margaron (Unio) altilis (Conrad, 1834) accepted as Hamiota altilis (Conrad, 1834)
  » Species Margaron (Unio) amabilis (I. Lea, 1865) accepted as Pleurobema pyriforme (I. Lea, 1857)
  » Species Margaron (Unio) amoenus (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829)
  » Species Margaron (Unio) amygdalum (I. Lea, 1843) accepted as Villosa amygdalum (I. Lea, 1843) (recombination)
  » Species Margaron (Unio) anaticulus (I. Lea, 1861) accepted as Pleurobema decisum (I. Lea, 1831)
  » Species Margaron (Unio) angustatus (I. Lea, 1831) accepted as Elliptio angustata (I. Lea, 1831) (recombination)
  » Species Margaron (Unio) anodontoides (I. Lea, 1831) accepted as Lampsilis teres (Rafinesque, 1820) (recombination)
  » Species Margaron (Unio) anthonyi (I. Lea, 1861) accepted as Elliptio monroensis (I. Lea, 1843)
  » Species Margaron (Unio) apicinus (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834)
  » Species Margaron (Unio) apiculatus (Say, 1829) accepted as Quadrula apiculata (Say, 1829)
  » Species Margaron (Unio) approximus (I. Lea, 1845) accepted as Lampsilis hydiana (I. Lea, 1838)
  » Species Margaron (Unio) aquilus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857)
  » Species Margaron (Unio) arcaeformis (I. Lea, 1831) accepted as Epioblasma arcaeformis (I. Lea, 1831) (recombination)
  » Species Margaron (Unio) arctatus (Conrad, 1834) accepted as Elliptio arctata (Conrad, 1834)
  » Species Margaron (Unio) arctior (I. Lea, 1839) accepted as Eurynia dilatata (Rafinesque, 1820)
  » Species Margaron (Unio) arcus (Conrad, 1834) accepted as Elliptio arca (Conrad, 1834)
  » Species Margaron (Unio) argenteus (I. Lea, 1841) accepted as Pleurobema oviforme (Conrad, 1834)
  » Species Margaron (Unio) arkansasensis (I. Lea, 1862) accepted as Obovaria arkansasensis (I. Lea, 1862)
  » Species Margaron (Unio) asper (I. Lea, 1831) accepted as Quadrula apiculata (Say, 1829) (recombination)
  » Species Margaron (Unio) asperatus (I. Lea, 1861) accepted as Rotundaria asperata (I. Lea, 1861)
  » Species Margaron (Unio) asperrimus (I. Lea, 1831) accepted as Quadrula quadrula (Rafinesque, 1820) (recombination)
  » Species Margaron (Unio) atrocostatus (I. Lea, 1845) accepted as Amblema plicata (Say, 1817)
  » Species Margaron (Unio) atromarginatus (I. Lea, 1840) accepted as Elliptoideus sloatianus (I. Lea, 1840)
  » Species Margaron (Unio) aureus (I. Lea, 1859) accepted as Rotundaria aurea (I. Lea, 1859)
  » Species Margaron (Unio) bairdianus (I. Lea, 1857) accepted as Toxolasma texasiense (I. Lea, 1857)
  » Species Margaron (Unio) baldwinensis (I. Lea, 1859) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) barnesianus (I. Lea, 1838) accepted as Pleuronaia barnesiana (I. Lea, 1838) (recombination)
  » Species Margaron (Unio) barrattii (I. Lea, 1853) accepted as Elliptio icterina (Conrad, 1834)
  » Species Margaron (Unio) beadleianus (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
  » Species Margaron (Unio) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
  » Species Margaron (Unio) beaverensis (I. Lea, 1868) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) berlandierii (I. Lea, 1857) accepted as Cyrtonaias tampicoensis (I. Lea, 1838)
  » Species Margaron (Unio) biangularis (I. Lea, 1840) accepted as Ortmanniana pectorosa (Conrad, 1834)
  » Species Margaron (Unio) biemarginatus (I. Lea, 1857) accepted as Epioblasma biemarginata (I. Lea, 1857)
  » Species Margaron (Unio) bigbyensis (I. Lea, 1841) accepted as Pleuronaia barnesiana (I. Lea, 1838)
  » Species Margaron (Unio) bisselianus (I. Lea, 1867) accepted as Uniomerus carolinianus (Bosc, 1801)
  » Species Margaron (Unio) blandianus (I. Lea, 1857) accepted as Quadrula rumphiana (I. Lea, 1852)
  » Species Margaron (Unio) blandingianus (I. Lea, 1834) accepted as Uniomerus carolinianus (Bosc, 1801)
  » Species Margaron (Unio) bournianus (I. Lea, 1840) accepted as Pleurobema clava (Lamarck, 1819)
  » Species Margaron (Unio) boydianus (I. Lea, 1840) accepted as Leptodea ochracea (Say, 1817)
  » Species Margaron (Unio) boykinianus (I. Lea, 1840) accepted as Megalonaias nervosa (Rafinesque, 1820)
  » Species Margaron (Unio) bracteatus (Gould, 1855) accepted as Lampsilis bracteata (Gould, 1855)
  » Species Margaron (Unio) brazosensis (I. Lea, 1868) accepted as Amblema plicata (Say, 1817)
  » Species Margaron (Unio) brevidens (I. Lea, 1831) accepted as Epioblasma brevidens (I. Lea, 1831) (recombination)
  » Species Margaron (Unio) brumbyanus (I. Lea, 1841) accepted as Ptychobranchus greenii (Conrad, 1834)
  » Species Margaron (Unio) buckleyi (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Margaron (Unio) buddianus (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
  » Species Margaron (Unio) bulbosus (I. Lea, 1857) accepted as Pleurobema pyriforme (I. Lea, 1857)
  » Species Margaron (Unio) burkensis (I. Lea, 1859) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) buxeus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831)
  » Species Margaron (Unio) cacao (I. Lea, 1859) accepted as Rotundaria succissa (I. Lea, 1852)
  » Species Margaron (Unio) caelatus (Conrad, 1834) accepted as Lemiox rimosus (Rafinesque, 1831)
  » Species Margaron (Unio) caliginosus (I. Lea, 1845) accepted as Leaunio lienosus caliginosus (Lea, 1845)
  » Species Margaron (Unio) camelopardilis (I. Lea, 1860) accepted as Villosa taeniata (Conrad, 1834)
  » Species Margaron (Unio) camelus (I. Lea, 1834) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
  » Species Margaron (Unio) camptodon (Say, 1832) accepted as Uniomerus tetralasmus (Say, 1831)
  » Species Margaron (Unio) canadensis (I. Lea, 1857) accepted as Lampsilis cardium Rafinesque, 1820
  » Species Margaron (Unio) capax (Green, 1832) accepted as Potamilus capax (Green, 1832)
  » Species Margaron (Unio) caperatus (I. Lea, 1845) accepted as Dromus dromas (I. Lea, 1834)
  » Species Margaron (Unio) capsaeformis (I. Lea, 1834) accepted as Epioblasma capsaeformis (I. Lea, 1834) (recombination)
  » Species Margaron (Unio) cariosus (Say, 1817) accepted as Lampsilis cariosa (Say, 1817)
  » Species Margaron (Unio) castaneus (I. Lea, 1831) accepted as Obovaria arkansasensis (I. Lea, 1862)
  » Species Margaron (Unio) castus (I. Lea, 1860) accepted as Fusconaia masoni (Conrad, 1834)
  » Species Margaron (Unio) catawbensis (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) charlottensis (I. Lea, 1863) accepted as Lasmigona decorata (I. Lea, 1852)
  » Species Margaron (Unio) chathamensis (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) chattanoogaensis (I. Lea, 1858) accepted as Pleurobema decisum (I. Lea, 1831)
  » Species Margaron (Unio) chickasawhensis (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
  » Species Margaron (Unio) chunii (I. Lea, 1862) accepted as Fusconaia flava (Rafinesque, 1820)
  » Species Margaron (Unio) cicur (I. Lea, 1861) accepted as Uniomerus carolinianus (Bosc, 1801)
  » Species Margaron (Unio) cincinnatiensis (I. Lea, 1840) accepted as Epioblasma cincinnatiensis (I. Lea, 1840)
  » Species Margaron (Unio) cinnamomicus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834)
  » Species Margaron (Unio) circulus (I. Lea, 1829) accepted as Obovaria subrotunda (Rafinesque, 1820) (recombination)
  » Species Margaron (Unio) cistellaeformis (I. Lea, 1863) accepted as Elliptio cistellaeformis (I. Lea, 1863)
  » Species Margaron (Unio) claibornensis (I. Lea, 1839) accepted as Lampsilis straminea (Conrad, 1834)
  » Species Margaron (Unio) clarkianus (I. Lea, 1852) accepted as Hamiota altilis (Conrad, 1834)
  » Species Margaron (Unio) clavus (Lamarck, 1819) accepted as Pleurobema clava (Lamarck, 1819) (incorrect gender ending, species epithet is a noun)
  » Species Margaron (Unio) clinchensis (I. Lea, 1867) accepted as Pleurobema oviforme (Conrad, 1834)
  » Species Margaron (Unio) coccineus (Conrad, 1836) accepted as Pleurobema sintoxia (Rafinesque, 1820)
  » Species Margaron (Unio) cognatus (I. Lea, 1860) accepted as Truncilla cognata (I. Lea, 1860)
  » Species Margaron (Unio) collinus (Conrad, 1837) accepted as Pleurobema collina (Conrad, 1837) (recombination)
  » Species Margaron (Unio) coloradoensis (I. Lea, 1856) accepted as Potamilus purpuratus (Lamarck, 1819)
  » Species Margaron (Unio) columbensis (I. Lea, 1857) accepted as Uniomerus columbensis (I. Lea, 1857)
  » Species Margaron (Unio) compactus (I. Lea, 1859) accepted as Epioblasma metastriata (Conrad, 1838)
  » Species Margaron (Unio) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
  » Species Margaron (Unio) complanatus (Lightfoot, 1786) accepted as Elliptio complanata (Lightfoot, 1786)
  » Species Margaron (Unio) compressissimus (I. Lea, 1845) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
  » Species Margaron (Unio) concavus (I. Lea, 1852) accepted as Villosa delumbis (Conrad, 1834)
  » Species Margaron (Unio) concestator (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) concolor (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) confertus (I. Lea, 1834) accepted as Elliptio raveneli (Conrad, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) congaræus (I. Lea, 1831) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) conradicus (I. Lea, 1834) accepted as Medionidus conradicus (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) consanguineus (I. Lea, 1861) accepted as Pleurobema decisum (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) constrictus (Conrad, 1838) accepted as Villosa constricta (Conrad, 1838) (unaccepted)
  » Species Margaron (Unio) contiguus (I. Lea, 1862) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) contractus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) cooperianus (I. Lea, 1834) accepted as Plethobasus cooperianus (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) copei (I. Lea, 1868) accepted as Villosa vanuxemensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) cor (Conrad, 1834) accepted as Fusconaia cor (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) cornutus (Barnes, 1823) accepted as Obliquaria reflexa Rafinesque, 1820 (unaccepted)
  » Species Margaron (Unio) coruscus (Gould, 1856) accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) corvinus (I. Lea, 1868) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) corvunculus (I. Lea, 1868) accepted as Toxolasma corvunculus (I. Lea, 1868) (unaccepted)
  » Species Margaron (Unio) corvus (I. Lea, 1859) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) couchianus (I. Lea, 1860) accepted as Quadrula couchiana (I. Lea, 1860) (unaccepted)
  » Species Margaron (Unio) crapulus (I. Lea, 1861) accepted as Pleurobema fibuloides (I. Lea, 1859) (unaccepted)
  » Species Margaron (Unio) crassidens (Lamarck, 1819) accepted as Elliptio crassidens (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) crebrivittatus (I. Lea, 1861) accepted as Pleurobema decisum (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) creperus (I. Lea, 1838) accepted as Villosa iris (I. Lea, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) crocatus (I. Lea, 1841) accepted as Leptodea ochracea (Say, 1817) (unaccepted)
  » Species Margaron (Unio) cromwellii (I. Lea, 1865) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) cumberlandianus I. Lea, 1852 accepted as Unio cumberlandicus I. Lea, 1838 (unaccepted, replacement name for Unio cumberlandicus "Chenu")
  » Species Margaron (Unio) cumberlandicus (I. Lea, 1838) accepted as Cambarunio simus (Lea, I., 1838) (unaccepted)
  » Species Margaron (Unio) cuneolus (I. Lea, 1840) accepted as Fusconaia cuneolus (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) curatus (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) curtus (I. Lea, 1859) accepted as Pleurobema curtum (I. Lea, 1859) (unaccepted)
  » Species Margaron (Unio) cuvierianus (I. Lea, 1853) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) cylindrellus (I. Lea, 1868) accepted as Toxolasma cylindrellus (I. Lea, 1868) (unaccepted)
  » Species Margaron (Unio) cylindricus (Say, 1817) accepted as Theliderma cylindrica (Say, 1817) (unaccepted)
  » Species Margaron (Unio) dactylus (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) dariensis (I. Lea, 1842) accepted as Elliptio dariensis (I. Lea, 1842) (unaccepted, recombination)
  » Species Margaron (Unio) datus (I. Lea, 1868) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) decisus (I. Lea, 1831) accepted as Pleurobema decisum (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) declivis (Say, 1831) accepted as Uniomerus declivis (Say, 1831) (unaccepted)
  » Species Margaron (Unio) decoratus (I. Lea, 1852) accepted as Lasmigona decorata (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) decumbens (I. Lea, 1861) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) denigratus (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) deviatus (Reeve, 1864) accepted as Epioblasma turgidula (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) difficilis (I. Lea, 1868) accepted as Villosa nebulosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) discrepans (I. Lea, 1860) accepted as Cambarunio nebulosus (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) dispar (I. Lea, 1860) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) dolabelloides (I. Lea, 1840) accepted as Pleuronaia dolabelloides (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) dolabraeformis (I. Lea, 1838) accepted as Lampsilis dolabraeformis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) doliaris (I. Lea, 1865) accepted as Hamiota altilis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) dolosus (I. Lea, 1860) accepted as Potamilus purpuratus (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) donaciformis (I. Lea, 1827) accepted as Truncilla donaciformis (I. Lea, 1827) (unaccepted, recombination)
  » Species Margaron (Unio) dorfeuillianus (I. Lea, 1838) accepted as Rotundaria pustulosa (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) dorsatus (I. Lea, 1868) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) downiei (I. Lea, 1858) accepted as Elliptio downiei (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) dromas (I. Lea, 1834) accepted as Dromus dromas (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) duttonianus (I. Lea, 1841) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) ebenus (I. Lea, 1831) accepted as Reginaia ebenus (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) edgarianus (I. Lea, 1840) accepted as Fusconaia cor (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) eightsii (I. Lea, 1860) accepted as Megalonaias nervosa (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) elegans (I. Lea, 1831) accepted as Truncilla truncata Rafinesque, 1820 (unaccepted, recombination)
  » Species Margaron (Unio) elliottii (I. Lea, 1857) accepted as Amblema elliottii (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) ellipsis (I. Lea, 1827) accepted as Obovaria olivaria (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) emmonsii (I. Lea, 1857) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) errans (I. Lea, 1857) accepted as Elliptio errans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) estabrookianus (I. Lea, 1845) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) exactus (I. Lea, 1858) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) excavatus (I. Lea, 1857) accepted as Lampsilis ornata (Conrad, 1835) (unaccepted)
  » Species Margaron (Unio) exiguus (I. Lea, 1840) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) extensus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) fabaceus (I. Lea, 1861) accepted as Villosa umbrans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) fabalis (I. Lea, 1831) accepted as Villosa fabalis (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) fallax (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) fassinans (I. Lea, 1868) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) fatuus (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) favosus (I. Lea, 1856) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) fibuloides (I. Lea, 1859) accepted as Pleurobema fibuloides (I. Lea, 1859) (unaccepted)
  » Species Margaron (Unio) fisherianus (I. Lea, 1838) accepted as Elliptio fisheriana (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) flavescens (I. Lea, 1845) accepted as Ptychobranchus greenii (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) flavidulus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) florentinus (I. Lea, 1857) accepted as Epioblasma florentina (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) floridensis (I. Lea, 1852) accepted as Lampsilis floridensis (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) foliatus (Hildreth, 1828) accepted as Epioblasma flexuosa (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) folliculatus (I. Lea, 1838) accepted as Elliptio folliculata (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) forbesianus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) foremanianus (I. Lea, 1842) accepted as Ptychobranchus foremanianus (I. Lea, 1842) (unaccepted, recombination)
  » Species Margaron (Unio) forsheyi (I. Lea, 1859) accepted as Quadrula apiculata (Say, 1829) (unaccepted)
  » Species Margaron (Unio) fragosus (Conrad, 1835) accepted as Quadrula fragosa (Conrad, 1835) (unaccepted)
  » Species Margaron (Unio) fraternus (I. Lea, 1852) accepted as Elliptio fraterna (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) fucatus (I. Lea, 1860) accepted as Villosa taeniata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) fulgidus (I. Lea, 1845) accepted as Pleurobema sintoxia (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) fuliginosus (I. Lea, 1845) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) fulvus (I. Lea, 1834) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) fumatus (I. Lea, 1857) accepted as Elliptio fumata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) fuscatus (I. Lea, 1843) accepted as Elliptio occulta (I. Lea, 1843) (unaccepted, recombination)
  » Species Margaron (Unio) gastonensis (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) geddingsianus (I. Lea, 1840) accepted as Elliptio cylindracea Frierson, 1927 (unaccepted)
  » Species Margaron (Unio) geminus (I. Lea, 1856) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) genthii (I. Lea, 1857) accepted as Villosa constricta (Conrad, 1838) (unaccepted)
  » Species Margaron (Unio) genuinus (I. Lea, 1868) accepted as Villosa delumbis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) georgianus (I. Lea, 1841) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) gerhardtii (I. Lea, 1862) accepted as Hamiota altilis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) germanus (I. Lea, 1861) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) gibber (I. Lea, 1838) accepted as Pleuronaia gibber (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) gibbesianus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) gibbosus (Barnes, 1823) accepted as Eurynia dilatata (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) gigas (Swainson, 1824) accepted as Lasmigona complanata (Barnes, 1823) (unaccepted)
  » Species Margaron (Unio) glaber (I. Lea, 1838) accepted as Villosa iris (I. Lea, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) glandaceus (I. Lea, 1861) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) glans (I. Lea, 1831) accepted as Toxolasma lividum (Rafinesque, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) gouldii (I. Lea, 1845) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) gracilentus (I. Lea, 1857) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) gracilior (I. Lea, 1856) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) gracilis (Barnes, 1823) accepted as Leptodea fragilis (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) graniferus (I. Lea, 1839) accepted as Rotundaria tuberculata (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) granulatus (I. Lea, 1861) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) greenii (Conrad, 1834) accepted as Ptychobranchus greenii (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) griffithianus (I. Lea, 1834) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted, recombination)
  » Species Margaron (Unio) haleianus (I. Lea, 1842) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) hallenbeckii (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) hanleyianus (I. Lea, 1852) accepted as Pleurobema hanleyianum (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) hartmanianus (I. Lea, 1860) accepted as Pleurobema hartmanianum (I. Lea, 1860) (unaccepted)
  » Species Margaron (Unio) haysianus (I. Lea, 1834) accepted as Epioblasma haysiana (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) hazelhurstianus (I. Lea, 1858) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) hazlehurstianus (I. Lea, 1858) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) hebes (I. Lea, 1852) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) hebetatus (Conrad, 1854) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) heermannii (I. Lea, 1862) accepted as Cyrtonaias tampicoensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) hembeli (Conrad, 1838) accepted as Margaritifera hembeli (Conrad, 1838) (unaccepted)
  » Species Margaron (Unio) hepaticus (Lea, 1859) accepted as Elliptio hepatica (Lea, 1859) (unaccepted)
  » Species Margaron (Unio) heterodon (I. Lea, 1829) accepted as Alasmidonta heterodon (I. Lea, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) higginsii (I. Lea, 1857) accepted as Lampsilis higginsii (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) hippopoeus (I. Lea, 1845) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) holstonensis (I. Lea, 1840) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) hopetonensis (I. Lea, 1838) accepted as Elliptio hopetonensis (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) houstonensis (I. Lea, 1859) accepted as Rotundaria houstonensis (I. Lea, 1859) (unaccepted)
  » Species Margaron (Unio) humerosus (I. Lea, 1868) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) hyalinus (I. Lea, 1845) accepted as Lasmigona subviridis (Conrad, 1835) (unaccepted)
  » Species Margaron (Unio) hydianus (I. Lea, 1838) accepted as Lampsilis hydiana (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) incrassatus (I. Lea, 1840) accepted as Elliptio crassidens (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) indefinitus (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) ineptus (I. Lea, 1852) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) inflatus (I. Lea, 1831) accepted as Potamilus inflatus (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) infucatus (Conrad, 1834) accepted as Rotundaria infucata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) instructus (I. Lea, 1861) accepted as Pleurobema verum (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) insulsus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) intercedens (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) intermedius (Conrad, 1836) accepted as Theliderma intermedia (Conrad, 1836) (unaccepted)
  » Species Margaron (Unio) interruptus (I. Lea, 1838) accepted as Cambarunio taeniatus pictus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) interventus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) inusitatis (I. Lea, 1859) accepted as Elliptio hopetonensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) iris (I. Lea, 1829) accepted as Villosa iris (I. Lea, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) irrasus (I. Lea, 1861) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) irroratus (I. Lea, 1827) accepted as Cyprogenia stegaria (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) jamesianus (I. Lea, 1857) accepted as Uniomerus tetralasmus (Say, 1831) (unaccepted)
  » Species Margaron (Unio) jayensis (I. Lea, 1838) accepted as Elliptio jayensis (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) jejunus (I. Lea, 1838) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted, recombination)
  » Species Margaron (Unio) jewettii (I. Lea, 1867) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) johannis (I. Lea, 1859) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) jonesii (van der Schalie, 1934) accepted as Ptychobranchus jonesi (van der Schalie, 1934) (unaccepted)
  » Species Margaron (Unio) kienerianus (I. Lea, 1852) accepted as Rotundaria kieneriana (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) kirtlandianus (I. Lea, 1834) accepted as Fusconaia subrotunda (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) kleinianus (I. Lea, 1852) accepted as Rotundaria kleiniana (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) lacrymosus (I. Lea, 1827) accepted as Quadrula quadrula (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) lævissimus (I. Lea, 1829) accepted as Potamilus ohiensis (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) lamarckianus (I. Lea, 1852) accepted as Cyprogenia aberti (Conrad, 1850) (unaccepted)
  » Species Margaron (Unio) lanceolatus (I. Lea, 1827) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) latecostatus (I. Lea, 1845) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) latus (I. Lea, 1859) accepted as Elliptio roanokensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) lazarus (I. Lea, 1853) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lecontianus (I. Lea, 1838) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) leibii (I. Lea, 1862) accepted as Obovaria subrotunda (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) lenior (I. Lea, 1842) accepted as Epioblasma lenior (I. Lea, 1842) (unaccepted, recombination)
  » Species Margaron (Unio) lens (I. Lea, 1831) accepted as Obovaria subrotunda (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) lepidus (Gould, 1856) accepted as Villosa amygdalum (I. Lea, 1843) (unaccepted)
  » Species Margaron (Unio) lesleyi (I. Lea, 1860) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lesueurianus (I. Lea, 1840) accepted as Fusconaia subrotunda (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) lewisii (I. Lea, 1857) accepted as Pyganodon grandis (Say, 1829) (unaccepted)
  » Species Margaron (Unio) lienosus (Conrad, 1834) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) ligamentinus (Lamarck, 1819) accepted as Ortmanniana ligamentina (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) limatulus (Conrad, 1849) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lincecumii (I. Lea, 1868) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) lindsleyi (I. Lea, 1860) accepted as Villosa taeniata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lineatus (I. Lea, 1840) accepted as Lampsilis binominata Simpson, 1900 (unaccepted)
  » Species Margaron (Unio) linguaeformis (I. Lea, 1860) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) livingstonensis (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lucidus (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) lugubris (I. Lea, 1838) accepted as Elliptio cylindracea Frierson, 1927 (unaccepted)
  » Species Margaron (Unio) luridus (I. Lea, 1852) accepted as Elliptio arca (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) luteolus (Lamarck, 1819) accepted as Lampsilis radiata (Gmelin, 1791) (unaccepted)
  » Species Margaron (Unio) lyonii (I. Lea, 1865) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) macer (I. Lea, 1857) accepted as Elliptio roanokensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) maconensis (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) macrodon (I. Lea, 1859) accepted as Truncilla macrodon (I. Lea, 1859) (unaccepted)
  » Species Margaron (Unio) maculatus (Conrad, 1834) accepted as Pleuronaia dolabelloides (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) manubius (Gould, 1855) accepted as Uniomerus tetralasmus (Say, 1831) (unaccepted)
  » Species Margaron (Unio) marginis (I. Lea, 1865) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) masoni (Conrad, 1834) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) mecklenbergensis (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) mediocris (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) medius (I. Lea, 1853) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) menkianus (I. Lea, 1838) accepted as Cambarunio taeniatus pictus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) mercerii (I. Lea, 1862) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) meredithii (I. Lea, 1858) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) merus (I. Lea, 1853) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) metanevrus (Rafinesque, 1820) accepted as Theliderma metanevra (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) micans (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) minor (I. Lea, 1843) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted, recombination)
  » Species Margaron (Unio) mississippiensis (Conrad, 1850) accepted as Ligumia subrostrata (Say, 1831) (unaccepted)
  » Species Margaron (Unio) modicellus (I. Lea, 1859) accepted as Epioblasma othcaloogensis (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) modicus (I. Lea, 1857) accepted as Pleurobema pyriforme (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) modioliformis (I. Lea, 1834) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) moestus (I. Lea, 1841) accepted as Toxolasma lividum (Rafinesque, 1831) (unaccepted)
  » Species Margaron (Unio) monodonta (Say, 1829) accepted as Margaritifera monodonta (Say, 1829) (unaccepted)
  » Species Margaron (Unio) monroensis (I. Lea, 1843) accepted as Elliptio monroensis (I. Lea, 1843) (unaccepted)
  » Species Margaron (Unio) mooresianus (I. Lea, 1857) accepted as Pleuronaia dolabelloides (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) moussonianus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) muhlfeldianus (I. Lea, 1838) accepted as Cambarunio dactylus dactylus (Lea, I., 1840) (unaccepted)
  » Species Margaron (Unio) multiplicatus (I. Lea, 1831) accepted as Megalonaias nervosa (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) multiradiatus (I. Lea, 1830) accepted as Lampsilis fasciola Rafinesque, 1820 (unaccepted)
  » Species Margaron (Unio) mundus (I. Lea, 1857) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) murrayensis (I. Lea, 1868) accepted as Pleurobema stabilis (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) mytiloides (Rafinesque, 1820) accepted as Pleurobema clava (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) nashvillianus (I. Lea, 1834) accepted as Ligumia subrostrata (Say, 1831) (unaccepted)
  » Species Margaron (Unio) nasutulus (I. Lea, 1863) accepted as Elliptio producta (Conrad, 1836) (unaccepted)
  » Species Margaron (Unio) nasutus (Say, 1817) accepted as Ligumia nasuta (Say, 1817) (unaccepted)
  » Species Margaron (Unio) naviculoides (I. Lea, 1857) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) negatus (I. Lea, 1861) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) neglectus (I. Lea, 1843) accepted as Lasmigona subviridis (Conrad, 1835) (unaccepted, recombination)
  » Species Margaron (Unio) neislerii (I. Lea, 1858) accepted as Amblema neislerii (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) neusensis (I. Lea, 1858) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) nigellus (I. Lea, 1852) accepted as Elliptio nigella (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) nigerrimus (I. Lea, 1852) accepted as Leaunio lienosus caliginosus (Lea, 1845) (unaccepted)
  » Species Margaron (Unio) nigrinus (I. Lea, 1852) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) nitens (I. Lea, 1840) accepted as Villosa vanuxemensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) northamptonensis (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) notatus (I. Lea, 1838) accepted as Cambarunio simus (Lea, I., 1838) (unaccepted)
  » Species Margaron (Unio) novieboraci (I. Lea, 1838) accepted as Villosa iris (I. Lea, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) nubilus (I. Lea, 1868) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) nucleopsis (Conrad, 1849) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) nux (I. Lea, 1853) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) obesus (I. Lea, 1834) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) obfuscus (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) oblatus (I. Lea, 1863) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) obliquus (Lamarck, 1819) accepted as Pleurobema cordatum (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) obnubilus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) obscurus (I. Lea, 1838) accepted as Leaunio vanuxemensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) obtusus (I. Lea, 1840) accepted as Lampsilis straminea (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) occidens (I. Lea, 1829) accepted as Lampsilis cardium Rafinesque, 1820 (unaccepted, recombination)
  » Species Margaron (Unio) occidentalis (Conrad, 1836) accepted as Ptychobranchus occidentalis (Conrad, 1836) (unaccepted)
  » Species Margaron (Unio) occultus (I. Lea, 1843) accepted as Elliptio occulta (I. Lea, 1843) (unaccepted, recombination)
  » Species Margaron (Unio) ochraceus (Say, 1817) accepted as Leptodea ochracea (Say, 1817) (unaccepted)
  » Species Margaron (Unio) ocmulgéensis (I. Lea, 1861) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) opacus (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829) (unaccepted)
  » Species Margaron (Unio) orbiculatus (Hildreth, 1828) accepted as Obovaria subrotunda (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) ornatus (I. Lea, 1861) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) othcaloogensis (I. Lea, 1857) accepted as Epioblasma othcaloogensis (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) ovatus (Say, 1817) accepted as Lampsilis ovata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) oviformis (Conrad, 1834) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pallescens (I. Lea, 1845) accepted as Lampsilis straminea (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pallidofulvus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) paludicolus (Gould, 1845) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) papyraceus (Gould, 1845) accepted as Villosa amygdalum (I. Lea, 1843) (unaccepted)
  » Species Margaron (Unio) parvulus (I. Lea, 1860) accepted as Medionidus parvulus (I. Lea, 1860) (unaccepted)
  » Species Margaron (Unio) parvus (Barnes, 1823) accepted as Toxolasma parvum (Barnes, 1823) (unaccepted)
  » Species Margaron (Unio) patulus (I. Lea, 1829) accepted as Pleurobema clava (Lamarck, 1819) (unaccepted, recombination)
  » Species Margaron (Unio) paulus (I. Lea, 1840) accepted as Toxolasma paulum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) pauperculus (I. Lea, 1861) accepted as Rotundaria asperata (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) pawensis (I. Lea, 1868) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) pellucidus (I. Lea, 1845) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) penicillatus (I. Lea, 1857) accepted as Medionidus penicillatus (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) penitus (Conrad, 1834) accepted as Epioblasma penita (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) percoarctatus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) perdix (I. Lea, 1834) accepted as Ortmanniana pectorosa (Conrad, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) perlatus (I. Lea, 1863) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) perlucens (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) permiscens (I. Lea, 1859) accepted as Potamilus purpuratus (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) pernodosus (I. Lea, 1845) accepted as Rotundaria pustulosa (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) perovalis (Conrad, 1834) accepted as Hamiota perovalis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) perovatus (Conrad, 1834) accepted as Pleurobema perovatum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) perpastus (I. Lea, 1861) accepted as Lampsilis straminea (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) perpictus (I. Lea, 1860) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) perplexus (I. Lea, 1834) accepted as Epioblasma torulosa (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) perplicatus (Conrad, 1841) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) perpurpureus (I. Lea, 1861) accepted as Villosa perpurpurea (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) perradiatus (I. Lea, 1858) accepted as Lampsilis fasciola Rafinesque, 1820 (unaccepted)
  » Species Margaron (Unio) personatus (Say, 1829) accepted as Epioblasma personata (Say, 1829) (unaccepted)
  » Species Margaron (Unio) perstriatus (I. Lea, 1853) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pertenuis (I. Lea, 1863) accepted as Lasmigona subviridis (Conrad, 1835) (unaccepted)
  » Species Margaron (Unio) petrinus (Gould, 1855) accepted as Rotundaria petrina (Gould, 1855) (unaccepted)
  » Species Margaron (Unio) phaseolus (Hildreth, 1828) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) phillipsii (Conrad, 1835) accepted as Obliquaria reflexa Rafinesque, 1820 (unaccepted)
  » Species Margaron (Unio) pictus (I. Lea, 1834) accepted as Cambarunio taeniatus pictus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) pilaris (I. Lea, 1840) accepted as Fusconaia subrotunda (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) pileus (I. Lea, 1831) accepted as Epioblasma personata (Say, 1829) (unaccepted, recombination)
  » Species Margaron (Unio) pinguis (I. Lea, 1857) accepted as Ortmanniana ligamentina (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) placitus (I. Lea, 1853) accepted as Hamiota perovalis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) plancus (I. Lea, 1860) accepted as Villosa nebulosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) planicostatus (I. Lea, 1860) accepted as Cambarunio nebulosus (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) planilateris (Conrad, 1838) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) planior (I. Lea, 1868) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) plantii (I. Lea, 1857) accepted as Elliptio fumata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) plenus (I. Lea, 1840) accepted as Pleurobema plenum (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) plicatus (Say, 1817) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) popeii (I. Lea, 1857) accepted as Popenaias popeii (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) porphyreus (I. Lea, 1861) accepted as Villosa umbrans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) postellii (I. Lea, 1858) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) powellii (I. Lea, 1852) accepted as Lampsilis powellii (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) prattii (I. Lea, 1858) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pressus (I. Lea, 1842) accepted as Lasmigona compressa (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) prevostianus (I. Lea, 1852) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) productus (Conrad, 1836) accepted as Elliptio producta (Conrad, 1836) (unaccepted)
  » Species Margaron (Unio) propinquus (I. Lea, 1857) accepted as Epioblasma propinqua (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) proprius (I. Lea, 1865) accepted as Villosa umbrans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) protensus (I. Lea, 1865) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) proximus (I. Lea, 1852) accepted as Villosa delumbis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pudicus (I. Lea, 1860) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) pulcher (I. Lea, 1838) accepted as Cambarunio taeniatus pictus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) pullatus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) pullus (Conrad, 1838) accepted as Toxolasma pullus (Conrad, 1838) (unaccepted)
  » Species Margaron (Unio) pulvinulus (I. Lea, 1845) accepted as Pleurobema rubellum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) pumilus (I. Lea, 1838) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) punctatus (I. Lea, 1865) accepted as Cambarunio taeniatus punctatus (Lea, 1865) (unaccepted)
  » Species Margaron (Unio) puniceus (Haldeman, 1842) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) purpuratus (Lamarck, 1819) accepted as Potamilus purpuratus (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) purpurellus (I. Lea, 1857) accepted as Elliptio purpurella (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) purus (I. Lea, 1858) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) pusillus (Barnes, 1840) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) pustulatus (I. Lea, 1831) accepted as Rotundaria nodulata (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) pustulosus (I. Lea, 1831) accepted as Rotundaria pustulosa (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) pybasii (I. Lea, 1858) accepted as Villosa vanuxemensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) pygmaeus (I. Lea, 1852) accepted as Lasmigona subviridis (Conrad, 1835) (unaccepted)
  » Species Margaron (Unio) pyramidatus (I. Lea, 1831) accepted as Pleurobema rubrum (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) pyriformis (I. Lea, 1857) accepted as Pleurobema pyriforme (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) quadratus (I. Lea, 1859) accepted as Elliptio fumata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) quadrilaterus (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) radians (I. Lea, 1857) accepted as Villosa nebulosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) radiatus (Conrad, 1834) accepted as Anodontoides radiatus (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) raeensis (I. Lea, 1859) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) raleighensis (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) rangianus (I. Lea, 1838) accepted as Epioblasma rangiana (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) ravenelianus (I. Lea, 1834) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) rectus (Lamarck, 1819) accepted as Ligumia recta (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) reeveianus (I. Lea, 1852) accepted as Lampsilis reeveiana (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) refulgens (I. Lea, 1868) accepted as Rotundaria refulgens (I. Lea, 1868) (unaccepted)
  » Species Margaron (Unio) regularis (I. Lea, 1841) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) retusus (Lamarck, 1819) accepted as Obovaria retusa (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) riddellii (I. Lea, 1862) accepted as Pleurobema riddellii (I. Lea, 1862) (unaccepted)
  » Species Margaron (Unio) roanokensis (I. Lea, 1838) accepted as Elliptio roanokensis (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) rostraeformis (I. Lea, 1857) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) rostrum (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) roswellensis (I. Lea, 1858) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) rotundatus (Lamarck, 1819) accepted as Glebula rotundata (Lamarck, 1819) (unaccepted)
  » Species Margaron (Unio) rubellinus (I. Lea, 1857) accepted as Medionidus acutissimus (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) rubellus (Conrad, 1834) accepted as Pleurobema rubellum (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) rubidus (I. Lea, 1861) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) rubiginosus (I. Lea, 1829) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) rufus (I. Lea, 1857) accepted as Elliptio arca (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) rufusculus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) rumphianus (I. Lea, 1852) accepted as Quadrula rumphiana (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) rutersvillensis (I. Lea, 1859) accepted as Ligumia subrostrata (Say, 1831) (unaccepted)
  » Species Margaron (Unio) rutilans (I. Lea, 1856) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) sagittiformis (I. Lea, 1853) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) salebrosus (I. Lea, 1859) accepted as Elliptio fumata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) sampsonii (I. Lea, 1862) accepted as Epioblasma sampsonii (I. Lea, 1862) (unaccepted)
  » Species Margaron (Unio) satillaensis (I. Lea, 1858) accepted as Elliptio downiei (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) satur (I. Lea, 1852) accepted as Lampsilis satura (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) savannahensis (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) saxeus (Conrad, 1838) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) schoolcraftensis (I. Lea, 1834) accepted as Rotundaria pustulosa (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) scitulus (I. Lea, 1860) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) securis (I. Lea, 1829) accepted as Ellipsaria lineolata (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) shepardianus (I. Lea, 1834) accepted as Elliptio shepardiana (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) showalterii (I. Lea, 1860) accepted as Pleurobema hartmanianum (I. Lea, 1860) (unaccepted)
  » Species Margaron (Unio) similis (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) simplex (I. Lea, 1845) accepted as Ptychobranchus greenii (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) simus (I. Lea, 1838) accepted as Villosa sima (Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) sloatianus (I. Lea, 1840) accepted as Elliptoideus sloatianus (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) solidus (I. Lea, 1838) accepted as Pleurobema sintoxia (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) sordidus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) sowerbianus (I. Lea, 1834) accepted as Epioblasma haysiana (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) spadiceus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) sparsus (I. Lea, 1841) accepted as Theliderma sparsa (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) sparus (I. Lea, 1841) accepted as Theliderma sparsa (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) spatulatus (I. Lea, 1845) accepted as Venustaconcha ellipsiformis (Conrad, 1836) (unaccepted)
  » Species Margaron (Unio) speciosus (I. Lea, 1862) accepted as Quadrula apiculata (Say, 1829) (unaccepted)
  » Species Margaron (Unio) sphaericus (I. Lea, 1868) accepted as Rotundaria refulgens (I. Lea, 1868) (unaccepted)
  » Species Margaron (Unio) spillmanii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) spinosus (I. Lea, 1836) accepted as Elliptio spinosa (I. Lea, 1836) (unaccepted, recombination)
  » Species Margaron (Unio) spissus (I. Lea, 1859) accepted as Elliptio downiei (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) splendidus (I. Lea, 1838) accepted as Lampsilis splendida (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) squalidus (I. Lea, 1863) accepted as Uniomerus carolinianus (Bosc, 1801) (unaccepted)
  » Species Margaron (Unio) squameus (I. Lea, 1862) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) stabilis (I. Lea, 1861) accepted as Pleurobema stabilis (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) stagnalis (Conrad, 1849) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) stapes (I. Lea, 1831) accepted as Theliderma stapes (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) stewardsonii (I. Lea, 1852) accepted as Epioblasma stewardsonii (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) stonensis (I. Lea, 1840) accepted as Eurynia dilatata (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) stramineus (Conrad, 1834) accepted as Lampsilis straminea (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) striatulus (I. Lea, 1857) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) striatus (I. Lea, 1840) accepted as Pleurobema pyriforme (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) strigosus (I. Lea, 1840) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) subangulatus (I. Lea, 1840) accepted as Hamiota subangulata (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) subellipsis (I. Lea, 1856) accepted as Villosa lienosa (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) subflavus (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) subgibbosus (I. Lea, 1857) accepted as Elliptio arca (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) subinflatus (Conrad, 1835) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) sublatus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) subniger (I. Lea, 1857) accepted as Elliptio fumata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) subovatus (I. Lea, 1831) accepted as Lampsilis cardium Rafinesque, 1820 (unaccepted, recombination)
  » Species Margaron (Unio) subplanus (Conrad, 1837) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) subrotundus (I. Lea, 1831) accepted as Fusconaia subrotunda (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) subtentus (Say, 1825) accepted as Ptychobranchus subtentus (Say, 1825) (unaccepted)
  » Species Margaron (Unio) succissus (I. Lea, 1852) accepted as Rotundaria succissa (I. Lea, 1852) (unaccepted)
  » Species Margaron (Unio) sudus (I. Lea, 1857) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) sulcatus (I. Lea, 1829) accepted as Epioblasma obliquata (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) swainsoni (Sowerby, 1868) accepted as Alasmidonta undulata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) symmetricus (I. Lea, 1845) accepted as Uniomerus tetralasmus (Say, 1831) (unaccepted)
  » Species Margaron (Unio) taitianus (I. Lea, 1834) accepted as Pleurobema taitianum (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) tampicoensis (I. Lea, 1838) accepted as Cyrtonaias tampicoensis (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) tappanianus (I. Lea, 1838) accepted as Lasmigona subviridis (Conrad, 1835) (unaccepted, recombination)
  » Species Margaron (Unio) tecomatensis (I. Lea, 1841) accepted as Cyrtonaias tampicoensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) tenebricus (I. Lea, 1857) accepted as Villosa umbrans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) tener (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829) (unaccepted)
  » Species Margaron (Unio) tenerus (Simpson, 1892) accepted as Villosa delumbis (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) tennesseensis (I. Lea, 1840) accepted as Cambarunio taeniatus pictus (I. Lea, 1834) (unaccepted)
  » Species Margaron (Unio) tenuissimus (I. Lea, 1829) accepted as Leptodea leptodon (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) tesserulae (I. Lea, 1862) accepted as Pleurobema oviforme (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) tetralasmus (Say, 1831) accepted as Uniomerus tetralasmus (Say, 1831) (unaccepted)
  » Species Margaron (Unio) tetricus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) texasensis (I. Lea, 1857) accepted as Toxolasma texasiense (I. Lea, 1857) (unaccepted, incorrect subsequent spelling)
  » Species Margaron (Unio) thorntonii (I. Lea, 1857) accepted as Pleuronaia dolabelloides (I. Lea, 1840) (unaccepted)
  » Species Margaron (Unio) topekaensis (I. Lea, 1868) accepted as Ligumia subrostrata (Say, 1831) (unaccepted)
  » Species Margaron (Unio) tortivus (I. Lea, 1840) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) trapezoides (I. Lea, 1831) accepted as Plectomerus dombeyanus (Valenciennes, 1827) (unaccepted, recombination)
  » Species Margaron (Unio) triangularis (Barnes, 1823) accepted as Epioblasma triquetra (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) trigonus (I. Lea, 1831) accepted as Fusconaia flava (Rafinesque, 1820) (unaccepted, recombination)
  » Species Margaron (Unio) trinacrus (I. Lea, 1861) accepted as Ptychobranchus foremanianus (I. Lea, 1842) (unaccepted)
  » Species Margaron (Unio) troostensis (I. Lea, 1834) accepted as Venustaconcha troostensis (I. Lea, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) troschelianus (I. Lea, 1853) accepted as Pleurobema georgianum (I. Lea, 1841) (unaccepted)
  » Species Margaron (Unio) trossulus (I. Lea, 1843) accepted as Villosa amygdalum (I. Lea, 1843) (unaccepted)
  » Species Margaron (Unio) tuberculatus (Barnes, 1823) accepted as Tritogonia verrucosa (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) tuberosus (I. Lea, 1840) accepted as Theliderma metanevra (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) tumescens (I. Lea, 1845) accepted as Pleuronaia barnesiana (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) tuomeyi (I. Lea, 1852) accepted as Elliptio cylindracea Frierson, 1927 (unaccepted)
  » Species Margaron (Unio) turgidus (I. Lea, 1838) accepted as Rotundaria pustulosa (I. Lea, 1831) (unaccepted, recombination)
  » Species Margaron (Unio) uhareensis (I. Lea, 1868) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) umbrans (I. Lea, 1857) accepted as Villosa umbrans (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) undulatus (Barnes, 1823) accepted as Amblema plicata (Say, 1817) (unaccepted)
  » Species Margaron (Unio) unicolor (I. Lea, 1845) accepted as Obovaria unicolor (I. Lea, 1845) (unaccepted)
  » Species Margaron (Unio) utriculus (I. Lea, 1845) accepted as Fusconaia masoni (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) vallatus (I. Lea, 1868) accepted as Rotundaria asperata (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) vanuxemensis (I. Lea, 1838) accepted as Villosa vanuxemensis (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) varicosus (I. Lea, 1834) accepted as Plethobasus cicatricosus (Say, 1829) (unaccepted)
  » Species Margaron (Unio) vaughanianus (I. Lea, 1838) accepted as Villosa vaughaniana (I. Lea, 1838) (unaccepted, recombination)
  » Species Margaron (Unio) ventricosus (Barnes, 1823) accepted as Lampsilis cardium Rafinesque, 1820 (unaccepted)
  » Species Margaron (Unio) venustus (I. Lea, 1838) accepted as Venustaconcha ellipsiformis (Conrad, 1836) (unaccepted, recombination)
  » Species Margaron (Unio) verrucosus (Barnes, 1823) accepted as Rotundaria tuberculata (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) versus I. Lea, 1870 accepted as Contradens contradens (I. Lea, 1838) (unaccepted, junior synonym)
  » Species Margaron (Unio) verus (I. Lea, 1861) accepted as Pleurobema verum (I. Lea, 1861) (unaccepted)
  » Species Margaron (Unio) verutus (I. Lea, 1859) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) vestitus (I. Lea, 1862) accepted as Elliptio congaraea (I. Lea, 1831) (unaccepted)
  » Species Margaron (Unio) vibex (Conrad, 1834) accepted as Villosa vibex (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) vicinus (I. Lea, 1856) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) virens (I. Lea, 1857) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) virescens (I. Lea, 1858) accepted as Lampsilis virescens (I. Lea, 1858) (unaccepted)
  » Species Margaron (Unio) viridans (I. Lea, 1859) accepted as Elliptio arctata (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) viridicatus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) viridiradiatus (I. Lea, 1859) accepted as Elliptio pullata (I. Lea, 1857) (unaccepted)
  » Species Margaron (Unio) viridulus (I. Lea, 1863) accepted as Elliptio lanceolata (I. Lea, 1827) (unaccepted)
  » Species Margaron (Unio) waccamawensis (I. Lea, 1863) accepted as Elliptio waccamawensis (I. Lea, 1863) (unaccepted)
  » Species Margaron (Unio) wardii (I. Lea, 1862) accepted as Theliderma metanevra (Rafinesque, 1820) (unaccepted)
  » Species Margaron (Unio) watereensis (I. Lea, 1836) accepted as Elliptio raveneli (Conrad, 1834) (unaccepted, recombination)
  » Species Margaron (Unio) weldonensis (I. Lea, 1863) accepted as Elliptio complanata (Lightfoot, 1786) (unaccepted)
  » Species Margaron (Unio) whiteianus (I. Lea, 1852) accepted as Elliptio icterina (Conrad, 1834) (unaccepted)
  » Species Margaron (Unio) woodwardius (I. Lea, 1857) accepted as Ptychobranchus foremanianus (I. Lea, 1842) (unaccepted)
  » Species Margaron (Unio) zeiglerianus (I. Lea, 1838) accepted as Leaunio vanuxemensis (I. Lea, 1838) (unaccepted)
  » Species Margaron (Unio) zigzag (I. Lea, 1829) accepted as Truncilla donaciformis (I. Lea, 1827) (unaccepted, recombination)
Species Margaron benedictii I. Lea, 1870 accepted as Pyganodon grandis (Say, 1829)
marine, brackish, fresh, terrestrial
recent only
Not documented
MolluscaBase (2019). MolluscaBase. Margaron I. Lea, 1852. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=857021 on 2019-12-16
Date
action
by
2015-10-16 09:49:07Z
created
2019-06-22 02:39:11Z
changed
2019-11-05 08:51:43Z
changed

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Not documented
 




This service is powered by LifeWatch Belgium
Learn more»
Website and databases developed and hosted by Flanders Marine Institute · Page generated on 2019-12-16 09:46:08+01:00 · Contact: Data Management Team