Adelopoma brasiliense Morretes, 1954 (additional source)
Adelopoma paraguayana Parodiz, 1944 accepted as Adelopoma paraguayanum (Parodiz, 1944) (additional source)
Adelopoma tucma Doering, 1885 (additional source)
Alcadia iheringi A. J. Wagner, 1911 (additional source)
Allopeas gracilis [sic] accepted as Allopeas gracile (T. Hutton, 1834) (basis of record)
Allopeas micra (A. d'Orbigny, 1835) (basis of record)
Ampullaria (Ceratodes) chiquitensis A. d'Orbigny, 1838 accepted as Marisa cornuarietis (Linnaeus, 1758) (additional source)
Ampullaria amazonica Reeve, 1856 accepted as Pomacea maculata G. Perry, 1810 (additional source)
Ampullaria crosseana Hidalgo, 1871 accepted as Pomacea maculata G. Perry, 1810 (additional source)
Ampullaria gevesensis Deshayes, 1838 accepted as Pomacea glauca (Linnaeus, 1758) (additional source)
Ampullaria levior G. B. Sowerby III, 1909 (additional source)
Ampullaria oblonga Swainson, 1823 (additional source)
Anctus angiostomus (J. A. Wagner, 1827) (basis of record)
Anctus laminiferus (Ancey, 1888) (basis of record)
Anctus sugillatus (L. Pfeiffer, 1857) accepted as Naesiotus rivasii (A. d'Orbigny, 1837) (basis of record)
Anodontites schadei W. B. Marshall, 1934 accepted as Anodontites elongata (Swainson, 1823) (source of synonymy)
Anostoma baileyi Solem, 1956 (basis of record)
Anostoma brunneum Verdcourt, 1992 (basis of record)
Anostoma carinatum L. Pfeiffer, 1853 (basis of record)
Anostoma depressa Lamarck, 1822 accepted as Anostoma depressum Lamarck, 1822 (basis of record)
Anostoma deshayesianum P. Fischer, 1857 (basis of record)
Anostoma luetzelburgi A. Weber, 1925 (basis of record)
Anostoma octodentatum Fischer von Waldheim, 1807 (basis of record)
Anostoma ringens (Linnaeus, 1758) (basis of record)
Anostoma rossi A. Weber, 1925 (basis of record)
Anthinus multicolor (Rang, 1831) (basis of record)
Anthinus myersii (G. B. Sowerby I, 1838) (basis of record)
Anthinus turnix (A. Gould, 1846) (basis of record)
Aperostoma (Austrocyclotus) stramineum (G. B. Sowerby I, 1843) accepted as Neocyclotus stramineus (G. B. Sowerby I, 1843) (additional source)
Aperostoma amazonense Bartsch & J. P. E. Morrison, 1942 (additional source)
Aperostoma blanchetianum (S. Moricand, 1836) (additional source)
Aperostoma currani Bartsch & J. P. E. Morrison, 1942 (additional source)
Aperostoma fultoni Bartsch & J. P. E. Morrison, 1942 (additional source)
Aperostoma inca (A. d'Orbigny, 1835) (additional source)
Aperostoma merrilli Bartsch & J. P. E. Morrison, 1942 (additional source)
Aperostoma pulchellum Bartsch & J. P. E. Morrison, 1942 (additional source)
Aperostoma redfieldi Bartsch & J. P. E. Morrison, 1942 (additional source)
Aposcutalus atlanticus (Dutra & Leme, 1985) (basis of record)
Asolene crassa (Swainson, 1823) (additional source)
Asolene granulosa (G. B. Sowerby III, 1894) (additional source)
Asolene petiti (Crosse, 1891) (additional source)
Asolene platae (Maton, 1811) (additional source)
Asolene pulchella (Anton, 1838) (additional source)
Asolene spixii (A. d'Orbigny, 1838) (additional source)
Auris bernardii (L. Pfeiffer, 1856) (basis of record)
Auris bilabiata (Broderip & G. B. Sowerby I, 1830) (basis of record)
Auris brachyplax Pilsbry, 1896 (basis of record)
Auris chrysostoma (Moricand, 1836) (basis of record)
Auris egregia (J. C. Jay, 1836) (basis of record)
Auris icterostoma (E. von Martens, 1901) accepted as Drymaeus icterostomus (E. von Martens, 1901) (basis of record)
Auris illheocola (Moricand, 1836) (basis of record)
Auris melanostoma (J. A. Wagner, 1827) accepted as Auris melastoma (Swainson, 1820) (basis of record)
Auris melastoma (Swainson, 1820) (basis of record)
Auris nigrilabris Pilsbry, 1896 (basis of record)
Aylacostoma araguaryanum (Ihering, 1902) (basis of record)
Aylacostoma behnii (Reeve, 1860) (additional source)
Aylacostoma bicinctum (Reeve, 1860) (additional source)
Aylacostoma brasiliense (S. Moricand, 1838) (basis of record)
Aylacostoma chloroticum Hylton Scott, 1954 (additional source)
Aylacostoma crenocarina (Moricand, 1841) (basis of record)
Aylacostoma decapitatum (Spix, 1827) (basis of record)
Aylacostoma decollatum (Lamarck, 1822) accepted as Doryssa decollata (Lamarck, 1822) (basis of record)
Aylacostoma edwardsii (I. Lea, 1852) (basis of record)
Aylacostoma elongatum (F. Baker, 1914) (basis of record)
Aylacostoma exoplicatum Simone, 2001 (additional source)
Aylacostoma flammeum (F. Baker, 1914) accepted as Hemisinus flammeus F. Baker, 1914 (basis of record)
Aylacostoma francanum (Ihering, 1909) (basis of record)
Aylacostoma globosum (Reeve, 1860) (basis of record)
Aylacostoma goyazinum (Ihering, 1909) (basis of record)
Aylacostoma guaraniticum (Hylton Scott, 1954) (additional source)
Aylacostoma kochii (Bernardi, 1856) (basis of record)
Aylacostoma lineolatum (W. Wood, 1828) accepted as Hemisinus lineolatus (W. Wood, 1828) (basis of record)
Aylacostoma osculati (A. Villa & G. B. Villa, 1854) (additional source)
Aylacostoma pulchrum (von dem Busch, 1848) (additional source)
Aylacostoma regina (Pilsbry, 1914) accepted as Doryssa rex regina Pilsbry, 1914 (basis of record)
Aylacostoma rex (Pilsbry, 1913) accepted as Doryssa rex Pilsbry, 1913 (additional source)
Aylacostoma scalaris (J. A. Wagner, 1827) accepted as Aylacostoma glabrum Spix, 1827 (additional source)
Aylacostoma stigmaticum Hylton Scott, 1954 (additional source)
Aylacostoma strigillatum (Dunker, 1843) (additional source)
Aylacostoma tenuilabris (Reeve, 1860) (additional source)
Aylacostoma tuberculatum Spix, 1827 accepted as Longiverena tuberculata (Spix, 1827) (basis of record)
Aylacostoma venezuelense (Reeve, 1859) (additional source)
Aylacostoma zebra (Reeve, 1860) (additional source)
Bahiensis albofilosus (Dohrn, 1883) (basis of record)
Bahiensis bahiensis (S. Moricand, 1834) (basis of record)
Bahiensis ciaranus (Dohrn, 1882) (basis of record)
Bahiensis guarani (A. d'Orbigny, 1835) (basis of record)
Bahiensis janeirensis (G. B. Sowerby I, 1838) (basis of record)
Bahiensis longulus (L. Pfeiffer, 1859) (basis of record)
Bahiensis miliolus (A. d'Orbigny, 1835) (basis of record)
Bahiensis occultus (Reeve, 1849) (basis of record)
Bahiensis punctatissimus (Lesson, 1831) (basis of record)
Bahiensis reevei (Deshayes, 1851) (basis of record)
Bahiensis ringens (Dunker, 1847) (basis of record)
Beckianum H. B. Baker, 1961 (basis of record)
Biotocus cumingii (L. Pfeiffer, 1849) (basis of record)
Biotocus turbinatus (L. Pfeiffer, 1845) (basis of record)
Biotocus ubajarensis (Leme, 1980) (basis of record)
Biotocus venezuelensis (L. Pfeiffer, 1856) (basis of record)
Bulimulus albus (G. B. Sowerby I, 1839) (basis of record)

Bolivia for Bulimulus bonariensis (Rafinesque, 1833) 
Brazil for Doryssa annulata (Haltenorth & Jaeckel, 1940) 
Brazil for Doryssa brancoensis (Haltenorth & Jaeckel, 1940) 
Brazil Southeast for Bulimulus bonariensis (Rafinesque, 1833) 
Paraguay for Bulimulus bonariensis (Rafinesque, 1833) 
Pernambuco for Melania aspersa Reeve, 1860 

 Classification

 for Doryssa asperata (Lamarck, 1822)

Simone (2006) lists "Doryssa asperata Lamarck, 1822" as a South American member of Doryssa; however, this species ... [details]

 Nomenclature

 for Doryssa jaryensis Pilsbry, 1914

Simone (2006) treats M. subimbricata Philippi, 1848 and M. aspersa Reeve, 1860 as conspecific. Hence, the older ... [details]

 Nomenclature

 for Melania subimbricata R. A. Philippi, 1848

Simone (2006) treats M. subimbricata as a synonym of Doryssa aspersa Reeve, 1860; however preference has to be given to ... [details]

 Synonymy

 for Doryssa gracilis Vernhout, 1914

Considered valid by Simone (2006) [details]

 Taxonomy

 for Doryssa aquatilis (Reeve, 1859)

Treated as junior synonym of D. transversa by Pain, but as a distinct species by Simone (2006).  [details]

 Taxonomy

 for Doryssa aspersa (Reeve, 1860)

treated as synonym of D. transversa by Pain (1956), but as distinct species by Simone (2006) [details]

 Taxonomy

 for Melania branca Reeve, 1860

treated as synonym of D. transversa by Pain (1956), but as distinct species by Simone (2006) [details]