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Page last updated
Wed 06 Nov 2019

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

This page documents data for Williams et al. (2017), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work.

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Publication information

Williams, J.D., A.E. Bogan, R.S. Butler, K.S. Cummings, J.T. Garner et al. 2017. A revised checklist of the freshwater mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada. Freshwater Mollusk Biology and Conservation 20(2): 33-58.

Click here for online access.

Taxonomic Opinions

Actinonaias ligamentina (Lamarck, 1819)

Actinonaias pectorosa (Conrad, 1834)

Alasmidonta arcula (Lea, 1838)

Alasmidonta atropurpurea (Rafinesque, 1831)

Alasmidonta heterodon (Lea, 1829)

Alasmidonta marginata Say, 1818

Alasmidonta mccordi Athearn, 1964

Alasmidonta raveneliana (Lea, 1834)

Alasmidonta robusta Clarke, 1981

Alasmidonta triangulata (Lea, 1858)

Alasmidonta undulata (Say, 1817)

Alasmidonta varicosa (Lamarck, 1819)

Alasmidonta viridis (Rafinesque, 1820)

Alasmidonta wrightiana (Walker, 1901)

Amblema elliottii (Lea, 1856)

Amblema neislerii (Lea, 1858)

Amblema plicata (Say, 1817)

Anodonta californiensis Lea, 1852
+ Anodonta dejecta Lewis, 1875

Anodonta kennerlyi Lea, 1860

Anodonta nuttalliana Lea, 1838

Anodonta oregonensis Lea, 1838

Anodontoides denigrata (Lea, 1852)

Anodontoides ferussacianus (Lea, 1834)

Anodontoides radiatus (Conrad, 1834)

Arcidens confragosus (Say, 1829)

Arcidens wheeleri (Ortmann & Walker, 1912)

Cyclonaias archeri (Frierson, 1905)

Cyclonaias asperata (Lea, 1861)

Cyclonaias aurea (Lea, 1859)

Cyclonaias houstonensis (Lea, 1859)

Cyclonaias infucata (Conrad, 1834)

Cyclonaias kieneriana (Lea, 1852)

Cyclonaias kleiniana (Lea, 1852)

Cyclonaias mortoni (Conrad, 1835)

Cyclonaias nodulata (Rafinesque, 1820)

Cyclonaias petrina (Gould, 1855)

Cyclonaias pustulosa (Lea, 1831)

Cyclonaias refulgens (Lea, 1868)

Cyclonaias succissa (Lea, 1852)

Cyclonaias tuberculata (Rafinesque, 1820)

Cyprogenia aberti (Conrad, 1850)

Cyprogenia stegaria (Rafinesque, 1820)

Cyrtonaias tampicoensis (Lea, 1838)

Disconaias fimbriata (Frierson, 1907)
+ Lampsilis (Proptera) salinasensis Dall, 1908

Dromus dromas (Lea, 1834)

Ellipsaria lineolata (Rafinesque, 1820)

Elliptio ahenea (Lea, 1843)
+ Unio waltoni B.H. Wright, 1888

Elliptio angustata (Lea, 1831)

Elliptio arca (Conrad, 1834)

Elliptio arctata (Conrad, 1834)

Elliptio chipolaensis (Walker, 1905)

Elliptio cistellaeformis (Lea, 1863)

Elliptio complanata (Lightfoot, 1786)

Elliptio congaraea (Lea, 1831)
+ Unio waccamawensis Lea, 1863

Elliptio crassidens (Lamarck, 1819)

Elliptio dariensis (Lea, 1842)

Elliptio downiei (Lea, 1858)

Elliptio fisheriana (Lea, 1838)

Elliptio folliculata (Lea, 1838)

Elliptio fraterna (Lea, 1852)

Elliptio fumata (Lea, 1857)

Elliptio hopetonensis (Lea, 1838)

Elliptio icterina (Conrad, 1834)
+ Unio raveneli Conrad, 1834
+ Unio lugubris Lea, 1838
+ Unio errans Lea, 1856
+ Unio hepaticus Lea, 1859

Elliptio jayensis (Lea, 1838)
+ Unio buckleyi Lea, 1843

Elliptio lanceolata (Lea, 1828)

Elliptio marsupiobesa Fuller, 1972

Elliptio mcmichaeli Clench & Turner, 1956

Elliptio monroensis (Lea, 1843)

Elliptio nigella (Lea, 1852)

Elliptio occulta (Lea, 1843)

Elliptio producta (Conrad, 1836)

Elliptio pullata (Lea, 1856)

Elliptio purpurella (Lea, 1857)

Elliptio roanokensis (Lea, 1838)
+ Elliptio judithae Clarke, 1986

Elliptio shepardiana (Lea, 1834)

Elliptio spinosa (Lea, 1836)

Elliptoideus sloatianus (Lea, 1840)

Epioblasma ahlstedti Jones & Neves, 2010

Epioblasma arcaeformis (Lea, 1831)

Epioblasma aureola Jones & Neves, 2010

Epioblasma biemarginata (Lea, 1857)

Epioblasma brevidens (Lea, 1831)

Epioblasma capsaeformis (Lea, 1834)

Epioblasma cincinnatiensis (Lea, 1840)

Epioblasma curtisii (Frierson & Utterback, 1916)

Epioblasma flexuosa (Rafinesque, 1820)

Epioblasma florentina (Lea, 1857)

Epioblasma gubernaculum (Reeve, 1865)

Epioblasma haysiana (Lea, 1834)

Epioblasma lenior (Lea, 1842)

Epioblasma lewisii (Walker, 1910)

Epioblasma metastriata (Conrad, 1838)

Epioblasma obliquata (Rafinesque, 1820)

Epioblasma othcaloogensis (Lea, 1857)

Epioblasma penita (Conrad, 1834)

Epioblasma perobliqua (Conrad, 1836)

Epioblasma personata (Say, 1829)

Epioblasma propinqua (Lea, 1857)

Epioblasma rangiana (Lea, 1838)

Epioblasma sampsonii (Lea, 1861)

Epioblasma stewardsonii (Lea, 1852)

Epioblasma torulosa (Rafinesque, 1820)

Epioblasma triquetra (Rafinesque, 1820)

Epioblasma turgidula (Lea, 1858)

Epioblasma walkeri (Wilson & Clark, 1914)

Eurynia dilatata (Rafinesque, 1820)

Fusconaia burkei (Walker, 1922)

Fusconaia cerina (Conrad, 1838)

Fusconaia chunii (Lea, 1861)
+ Unio askewi Marsh, 1896
+ Quadrula lananensis Frierson, 1901

Fusconaia cor (Conrad, 1834)

Fusconaia cuneolus (Lea, 1840)

Fusconaia escambia Clench & Turner, 1956

Fusconaia flava (Rafinesque, 1820)

Fusconaia masoni (Conrad, 1834)
+ Unio subplanus Conrad, 1837

Fusconaia mitchelli (Simpson, 1895)

Fusconaia ozarkensis (Call, 1887)

Fusconaia subrotunda (Lea, 1831)

Glebula rotundata (Lamarck, 1819)

Gonidea angulata (Lea, 1838)

Hamiota altilis (Conrad, 1834)

Hamiota australis (Simpson, 1900)

Hamiota perovalis (Conrad, 1834)

Hamiota subangulata (Lea, 1840)

Hemistena lata (Rafinesque, 1820)

Lampsilis abrupta (Say, 1831)

Lampsilis binominata Simpson, 1900

Lampsilis bracteata (Gould, 1855)

Lampsilis brittsi Simpson, 1900

Lampsilis cardium Rafinesque, 1820

Lampsilis cariosa (Say, 1817)

Lampsilis dolabraeformis (Lea, 1838)

Lampsilis fasciola Rafinesque, 1820

Lampsilis floridensis (Lea, 1852)

Lampsilis higginsii (Lea, 1857)

Lampsilis hydiana (Lea, 1838)

Lampsilis ornata (Conrad, 1835)

Lampsilis ovata (Say, 1817)

Lampsilis powellii (Lea, 1852)

Lampsilis radiata (Gmelin, 1791)
+ Unio conspicuus Lea, 1872
+ Lampsilis (s.s.) fullerkati R.I. Johnson, 1984

Lampsilis rafinesqueana Frierson, 1927

Lampsilis reeveiana (Lea, 1852)
+ Unio breviculus Call, 1887

Lampsilis satura (Lea, 1852)

Lampsilis siliquoidea (Barnes, 1823)

Lampsilis splendida (Lea, 1838)

Lampsilis straminea (Conrad, 1834)
+ Unio claibornensis Lea, 1838

Lampsilis streckeri Frierson, 1927

Lampsilis teres (Rafinesque, 1820)

Lampsilis virescens (Lea, 1858)

Lasmigona alabamensis Clarke, 1985

Lasmigona complanata (Barnes, 1823)

Lasmigona compressa (Lea, 1829)

Lasmigona costata (Rafinesque, 1820)

Lasmigona decorata (Lea, 1852)

Lasmigona etowaensis (Conrad, 1849)

Lasmigona holstonia (Lea, 1838)

Lasmigona subviridis (Conrad, 1835)

Lemiox rimosus (Rafinesque, 1831)

Leptodea fragilis (Rafinesque, 1820)
+ Medionidus mcglameriae van der Schalie, 1939

Leptodea leptodon (Rafinesque, 1820)

Leptodea ochracea (Say, 1817)

Ligumia nasuta (Say, 1817)

Ligumia recta (Lamarck, 1819)

Ligumia subrostrata (Say, 1831)

Margaritifera falcata (Gould, 1850)

Margaritifera hembeli (Conrad, 1838)

Margaritifera margaritifera (Linnaeus, 1758)

Margaritifera marrianae Johnson, 1983

Margaritifera monodonta (Say, 1829)

Medionidus acutissimus (Lea, 1831)

Medionidus conradicus (Lea, 1834)

Medionidus parvulus (Lea, 1860)

Medionidus penicillatus (Lea, 1857)

Medionidus simpsonianus Walker, 1905

Medionidus walkeri (Wright, 1897)

Megalonaias nervosa (Rafinesque, 1820)

Obliquaria reflexa Rafinesque, 1820

Obovaria arkansasensis (Lea, 1862)
+ Unio (Obovaria) jacksoniana Frierson, 1912

Obovaria choctawensis (Athearn, 1964)

Obovaria haddletoni (Athearn, 1964)

Obovaria olivaria (Rafinesque, 1820)

Obovaria retusa (Lamarck, 1819)

Obovaria subrotunda (Rafinesque, 1820)

Obovaria unicolor (Lea, 1845)

Parvaspina collina (Conrad, 1836)

Parvaspina steinstansana (Johnson & Clarke, 1983)

Pegias fabula (Lea, 1838)

Plectomerus dombeyanus (Valenciennes, 1827)

Plethobasus cicatricosus (Say, 1829)

Plethobasus cooperianus (Lea, 1834)

Plethobasus cyphyus (Rafinesque, 1820)

Pleurobema athearni Gangloff, Williams, and Feminella, 2006

Pleurobema beadleianum (Lea, 1861)

Pleurobema clava (Lamarck, 1819)
+ Unio bournianus Lea, 1840

Pleurobema cordatum (Rafinesque, 1820)

Pleurobema curtum (Lea, 1859)

Pleurobema decisum (Lea, 1831)
+ Unio chattanoogaensis Lea, 1858

Pleurobema fibuloides (Lea, 1859)

Pleurobema georgianum (Lea, 1841)
+ Unio nucleopsis Conrad, 1849
+ Unio troschelianus Lea, 1852

Pleurobema hanleyianum (Lea, 1852)

Pleurobema hartmanianum (Lea, 1860)

Pleurobema marshalli Frierson, 1927

Pleurobema oviforme (Conrad, 1834)

Pleurobema perovatum (Conrad, 1834)
+ Unio johannis Lea, 1859
+ Unio flavidulus Lea, 1861

Pleurobema plenum (Lea, 1840)

Pleurobema pyriforme (Lea, 1857)

Pleurobema riddellii (Lea, 1861)

Pleurobema rubellum (Conrad, 1834)
+ Unio furvus Conrad, 1834
+ Pleurobema avellana Simpson, 1900
+ Unio (Pleurobema) hagleri Frierson, 1900

Pleurobema rubrum (Rafinesque, 1820)

Pleurobema sintoxia (Rafinesque, 1820)

Pleurobema stabile (Lea, 1861)
+ Unio murrayensis Lea, 1868

Pleurobema strodeanum (Wright, 1898)

Pleurobema taitianum (Lea, 1834)

Pleurobema verum (Lea, 1861)

Pleuronaia barnesiana (Lea, 1838)

Pleuronaia dolabelloides (Lea, 1840)

Pleuronaia gibber (Lea, 1838)

Popenaias popeii (Lea, 1857)

Potamilus alatus (Say, 1817)

Potamilus amphichaenus (Frierson, 1898)

Potamilus capax (Green, 1832)

Potamilus inflatus (Lea, 1831)

Potamilus metnecktayi Johnson, 1998

Potamilus ohiensis (Rafinesque, 1820)

Potamilus purpuratus (Lamarck, 1819)

Ptychobranchus fasciolaris (Rafinesque, 1820)

Ptychobranchus foremanianus (Lea, 1842)

Ptychobranchus greenii (Conrad, 1834)

Ptychobranchus jonesi (van der Schalie, 1934)

Ptychobranchus occidentalis (Conrad, 1836)

Ptychobranchus subtentus (Say, 1825)

Pyganodon cataracta (Say, 1817)

Pyganodon fragilis (Lamarck, 1819)

Pyganodon gibbosa (Say, 1824)

Pyganodon grandis (Say, 1829)

Pyganodon lacustris (Lea, 1857)

Quadrula apiculata (Say, 1829)

Quadrula couchiana (Lea, 1860)

Quadrula fragosa (Conrad, 1835)

Quadrula nobilis (Conrad, 1854)

Quadrula quadrula (Rafinesque, 1820)

Quadrula rumphiana (Lea, 1852)

Reginaia apalachicola (Williams & Fradkin, 1999)

Reginaia ebenus (Lea, 1831)

Reginaia rotulata (Wright, 1899)

Simpsonaias ambigua (Say, 1825)

Sinanodonta beringiana (Middendorff, 1851)

Sinanodonta woodiana (Lea, 1834)

Strophitus connasaugaensis (Lea, 1858)

Strophitus subvexus (Conrad, 1834)

Strophitus undulatus (Say, 1817)

Theliderma cylindrica (Say, 1817)
+ Unio cylindricus var. strigillatus B.H. Wright, 1898

Theliderma intermedia (Conrad, 1836)

Theliderma metanevra (Rafinesque, 1820)
+ Unio tuberosus Lea, 1840

Theliderma sparsa (Lea, 1841)

Theliderma stapes (Lea, 1831)

Toxolasma corvunculus (Lea, 1868)

Toxolasma cylindrellus (Lea, 1868)

Toxolasma lividum Rafinesque, 1831

Toxolasma parvum (Barnes, 1823)

Toxolasma paulum (Lea, 1840)

Toxolasma pullus (Conrad, 1838)

Toxolasma texasiense (Lea, 1857)
+ Lampsilis mearnsi Simpson, 1900

Tritogonia verrucosa (Rafinesque, 1820)

Truncilla cognata (Lea, 1860)

Truncilla donaciformis (Lea, 1828)

Truncilla macrodon (Lea, 1859)

Truncilla truncata Rafinesque, 1820

Uniomerus carolinianus (Bosc, 1801)

Uniomerus columbensis (Lea, 1857)

Uniomerus declivis (Say, 1831)

Uniomerus tetralasmus (Say, 1831)

Utterbackia imbecillis (Say, 1829)

Utterbackia peggyae (Johnson, 1965)

Utterbackia peninsularis Bogan & Hoeh, 1995

Utterbackiana couperiana (Lea, 1840)

Utterbackiana hartfieldorum (Williams, Bogan, and Garner, 2009)

Utterbackiana heardi (Gordon & Hoeh, 1995)

Utterbackiana implicata (Say, 1829)

Utterbackiana suborbiculata (Say, 1831)

Venustaconcha ellipsiformis (Conrad, 1836)

Venustaconcha pleasii (Marsh, 1891)

Venustaconcha trabalis (Conrad, 1834)
+ Unio perpurpureus Lea, 1861

Venustaconcha troostensis (Lea, 1834)

Villosa amygdalum (Lea, 1843)

Villosa constricta (Conrad, 1838)

Villosa delumbis (Conrad, 1834)

Villosa fabalis (Lea, 1831)

Villosa iris (Lea, 1829)

Villosa lienosa (Conrad, 1834)

Villosa nebulosa (Conrad, 1834)

Villosa ortmanni (Walker, 1925)

Villosa sima (Lea, 1838)

Villosa taeniata (Conrad, 1834)

Villosa umbrans (Lea, 1857)

Villosa vanuxemensis (Lea, 1838)

Villosa vaughaniana (Lea, 1838)

Villosa vibex (Conrad, 1834)

Villosa villosa (Wright, 1898)

Page updated: 10:57:17 Wed 06 Nov 2019

 
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