MolluscaBase taxon details
Epioblasma Rafinesque, 1831
856830 (urn:lsid:marinespecies.org:taxname:856830)
accepted
Genus
Epioblasma biloba Rafinesque, 1831 accepted as Epioblasma torulosa (Rafinesque, 1820) (type by monotypy)
Capsaeformis Frierson, 1927 · unaccepted
Dysnomia Agassiz, 1852 · unaccepted
Dysnomia (Capsaeformis) Frierson, 1927 · unaccepted
Dysnomia (Penita) Frierson, 1927 · unaccepted (junior subjective synonym)
Dysnomia (Pilea) C. T. Simpson, 1900 · unaccepted (junior subjective synonym)
Dysnomia (Scalenilla) Ortmann & B. Walker, 1922 · unaccepted > junior subjective synonym
Dysnomia (Torulosa) Frierson, 1927 · unaccepted
Dysnomia (Truncillopsis) Ortmann & B. Walker, 1922 · unaccepted > junior subjective synonym
Epioblasma (Capsaeformis) Frierson, 1927 · unaccepted
Epioblasma (Penita) Frierson, 1927 · unaccepted
Epioblasma (Pilea) C. T. Simpson, 1900 · unaccepted
Epioblasma (Scalenilla) Ortmann & B. Walker, 1922 · unaccepted
Epioblasma (Torulosa) Frierson, 1927 · unaccepted
Epioblasma (Truncillopsis) Ortmann & B. Walker, 1922 · unaccepted
Obliquata Frierson, 1927 · unaccepted
Penita Frierson, 1927 · unaccepted
Pilea C. T. Simpson, 1900 · unaccepted (junior subjective synonym)
Plagiola (Epioblasma) Rafinesque, 1831 · unaccepted
Plagiola (Pilea) C. T. Simpson, 1900 · unaccepted
Plagiola (Torulosa) Frierson, 1927 · unaccepted
Plagiola (Truncillopsis) Ortmann & B. Walker, 1922 · unaccepted (junior synonym)
Quadrula (Obliquata) Frierson, 1927 · unaccepted
Scalenilla Ortmann & B. Walker, 1922 · unaccepted > junior subjective synonym
Torulosa Frierson, 1927 · unaccepted
Truncilla (Dysnomia) Agassiz, 1852 · unaccepted
Truncilla (Pilea) C. T. Simpson, 1900 · unaccepted (junior subjective synonym)
Truncilla (Scalenilla) Ortmann & B. Walker, 1922 · unaccepted
Truncillopsis Ortmann & B. Walker, 1922 · unaccepted > junior subjective synonym
- Species Epioblasma ahlstedti J. W. Jones & R. J. Neves, 2010
- Species Epioblasma arcaeformis (I. Lea, 1831)
- Species Epioblasma aureola J. W. Jones & R. J. Neves, 2010
- Species Epioblasma biemarginata (I. Lea, 1857)
- Species Epioblasma brevidens (I. Lea, 1831)
- Species Epioblasma capsaeformis (I. Lea, 1834)
- Species Epioblasma cincinnatiensis (I. Lea, 1840)
- Species Epioblasma curtisii (Frierson & Utterback, 1916)
- Species Epioblasma flexuosa (Rafinesque, 1820)
- Species Epioblasma florentina (I. Lea, 1857)
- Species Epioblasma gubernaculum (Reeve, 1865)
- Species Epioblasma haysiana (I. Lea, 1834)
- Species Epioblasma lenior (I. Lea, 1842)
- Species Epioblasma lewisii (B. Walker, 1910)
- Species Epioblasma metastriata (Conrad, 1838)
- Species Epioblasma obliquata (Rafinesque, 1820)
- Species Epioblasma othcaloogensis (I. Lea, 1857)
- Species Epioblasma penita (Conrad, 1834)
- Species Epioblasma perobliqua (Conrad, 1836)
- Species Epioblasma personata (Say, 1829)
- Species Epioblasma prophetica (C. A. White, 1876) †
- Species Epioblasma propinqua (I. Lea, 1857)
- Species Epioblasma rangiana (I. Lea, 1838)
- Species Epioblasma sampsonii (I. Lea, 1862)
- Species Epioblasma stewardi (C. A. White, 1876) †
- Species Epioblasma stewardsonii (I. Lea, 1852)
- Species Epioblasma torulosa (Rafinesque, 1820)
- Species Epioblasma triquetra (Rafinesque, 1820)
- Species Epioblasma turgidula (I. Lea, 1858)
- Species Epioblasma walkeri (C. B. Wilson & H. W. Clark, 1914)
- Subgenus Epioblasma (Capsaeformis) Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
- Species Epioblasma (Capsaeformis) capsaeforme (I. Lea, 1834) accepted as Epioblasma capsaeformis (I. Lea, 1834) (recombination)
- Subgenus Epioblasma (Penita) Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
- Species Epioblasma (Penita) penitum (Conrad, 1834) accepted as Epioblasma penita (Conrad, 1834)
- Subgenus Epioblasma (Pilea) C. T. Simpson, 1900 accepted as Epioblasma Rafinesque, 1831
- Species Epioblasma (Pilea) personatum (Say, 1829) accepted as Epioblasma personata (Say, 1829)
- Subgenus Epioblasma (Scalenilla) Ortmann & B. Walker, 1922 accepted as Epioblasma Rafinesque, 1831
- Species Epioblasma (Scalenilla) sulcata (I. Lea, 1829) accepted as Epioblasma obliquata (Rafinesque, 1820) (recombination)
- Subgenus Epioblasma (Torulosa) Frierson, 1927 accepted as Epioblasma Rafinesque, 1831
- Subgenus Epioblasma (Truncillopsis) Ortmann & B. Walker, 1922 accepted as Epioblasma Rafinesque, 1831
- Species Epioblasma biloba Rafinesque, 1831 accepted as Epioblasma torulosa (Rafinesque, 1820)
- Species Epioblasma foliatum (Hildreth, 1828) accepted as Epioblasma flexuosa (Rafinesque, 1820)
- Species Epioblasma modicella (I. Lea, 1859) accepted as Epioblasma othcaloogensis (I. Lea, 1857)
- Species Epioblasma phillipsii (Conrad, 1835) accepted as Obliquaria reflexa Rafinesque, 1820
- Species Epioblasma sulcata (I. Lea, 1829) accepted as Epioblasma obliquata (Rafinesque, 1820) (recombination)
feminine
Rafinesque, C. S. (1831). Continuation of a monograph of the bivalve shells of the river Ohio and other rivers of the western states. Philadelphia, privately printed. Pp. 1-8, available online at http://biodiversitylibrary.org/page/49035464
page(s): 2 [details]
page(s): 2 [details]
MolluscaBase eds. (2021). MolluscaBase. Epioblasma Rafinesque, 1831. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=856830 on 2025-09-11
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original description
Rafinesque, C. S. (1831). Continuation of a monograph of the bivalve shells of the river Ohio and other rivers of the western states. Philadelphia, privately printed. Pp. 1-8, available online at http://biodiversitylibrary.org/page/49035464
page(s): 2 [details]
original description (of Dysnomia Agassiz, 1852) Agassiz, L. (1852). Ueber die Gattungen unter den nordamerikanischen Najaden. Archiv für Naturgeschichte, 18(1): 41-52, available online at http://biodiversitylibrary.org/page/13707427 [details]
original description (of Dysnomia (Capsaeformis) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 95 [details]
original description (of Dysnomia (Penita) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 93 [details]
original description (of Dysnomia (Scalenilla) Ortmann & B. Walker, 1922) Ortmann, A. E. & Walker, B. (1922). On the nomenclature of certain North American naiades. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 112: 1-75., available online at https://www.biodiversitylibrary.org/page/13902635
page(s): 68 [details]
original description (of Dysnomia (Truncillopsis) Ortmann & B. Walker, 1922) Ortmann, A. E. & Walker, B. (1922). On the nomenclature of certain North American naiades. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 112: 1-75., available online at https://www.biodiversitylibrary.org/page/13902635
page(s): 65 [details]
original description (of Dysnomia (Torulosa) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 94 [details]
original description (of Quadrula (Obliquata) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 52 [details]
original description (of Truncilla (Pilea) C. T. Simpson, 1900) Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. <em>Proceedings of the United States National Museum.</em> 22(1205): 501-1044, plate 18., available online at http://biodiversitylibrary.org/page/32021246
page(s): 522 [details]
basis of record Williams, J. D., Bogan, A. E. & Garner, J. T. (2008). Freshwater mussels of Alabama and the Mobile Basin in Georgia, Mississippi and Tennessee. <em>University of Alabama Press, Tuscaloosa.</em> 908 pp. [details]
additional source InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
page(s): 2 [details]
original description (of Dysnomia Agassiz, 1852) Agassiz, L. (1852). Ueber die Gattungen unter den nordamerikanischen Najaden. Archiv für Naturgeschichte, 18(1): 41-52, available online at http://biodiversitylibrary.org/page/13707427 [details]
original description (of Dysnomia (Capsaeformis) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 95 [details]
original description (of Dysnomia (Penita) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 93 [details]
original description (of Dysnomia (Scalenilla) Ortmann & B. Walker, 1922) Ortmann, A. E. & Walker, B. (1922). On the nomenclature of certain North American naiades. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 112: 1-75., available online at https://www.biodiversitylibrary.org/page/13902635
page(s): 68 [details]
original description (of Dysnomia (Truncillopsis) Ortmann & B. Walker, 1922) Ortmann, A. E. & Walker, B. (1922). On the nomenclature of certain North American naiades. <em>Occasional Papers of the Museum of Zoology, University of Michigan.</em> 112: 1-75., available online at https://www.biodiversitylibrary.org/page/13902635
page(s): 65 [details]
original description (of Dysnomia (Torulosa) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 94 [details]
original description (of Quadrula (Obliquata) Frierson, 1927) Frierson, L. S. (1927). <i>A classified and annotated check list of the North American naiades</i>. Baylor University Press, Waco, Texas. 111 pp. , available online at https://babel.hathitrust.org/cgi/pt?id=coo.31924002812125
page(s): 52 [details]
original description (of Truncilla (Pilea) C. T. Simpson, 1900) Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. <em>Proceedings of the United States National Museum.</em> 22(1205): 501-1044, plate 18., available online at http://biodiversitylibrary.org/page/32021246
page(s): 522 [details]
basis of record Williams, J. D., Bogan, A. E. & Garner, J. T. (2008). Freshwater mussels of Alabama and the Mobile Basin in Georgia, Mississippi and Tennessee. <em>University of Alabama Press, Tuscaloosa.</em> 908 pp. [details]
additional source InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
To NMNH Extant Collection (01337219) (from synonym Pilea C. T. Simpson, 1900)
To NMNH Extant Collection (PIC_RAH12630) (from synonym Pilea C. T. Simpson, 1900)
To NMNH Extant Collection (PIC_RAH12630) (from synonym Pilea C. T. Simpson, 1900)