Publication Williams et al. (2017): taxonomic opinionspublication summary
Complete CitationWilliams, 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. Available electronically.
Taxonomic OpinionsActinonaias ligamentina (Lamarck, 1819) = Ortmanniana ligamentina Actinonaias pectorosa (Conrad, 1834) = Ortmanniana pectorosa Alasmidonta arcula (Lea, 1838) Alasmidonta atropurpurea (Rafinesque, 1831) Alasmidonta heterodon (Lea, 1829) = Prolasmidonta heterodon 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) = Sulcularia viridis 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 denigratus Anodontoides ferussacianus (Lea, 1834) Anodontoides radiatus (Conrad, 1834) = Strophitus radiatus Arcidens confragosus (Say, 1829) Arcidens wheeleri (Ortmann & Walker, 1912) Cyclonaias archeri (Frierson, 1905) = Pustulosa kieneriana Cyclonaias asperata (Lea, 1861) = Pustulosa kieneriana Cyclonaias aurea (Lea, 1859) = Pustulosa pustulosa Cyclonaias houstonensis (Lea, 1859) = Pustulosa pustulosa Cyclonaias infucata (Conrad, 1834) = Pustulosa infucata Cyclonaias kieneriana (Lea, 1852) = Pustulosa kieneriana Cyclonaias kleiniana (Lea, 1852) = Pustulosa kleiniana Cyclonaias mortoni (Conrad, 1835) = Pustulosa pustulosa Cyclonaias nodulata (Rafinesque, 1820) = Pustulosa nodulata Cyclonaias petrina (Gould, 1855) = Pustulosa petrina Cyclonaias pustulosa (Lea, 1831) = Pustulosa pustulosa Cyclonaias refulgens (Lea, 1868) = Pustulosa pustulosa Cyclonaias succissa (Lea, 1852) = Pustulosa succissa Cyclonaias tuberculata (Rafinesque, 1820) Cyprogenia aberti (Conrad, 1850) Cyprogenia stegaria (Rafinesque, 1820) Cyrtonaias tampicoensis (Lea, 1838) = Mesonaias tampicoensis 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 errans Lea, 1857 + Unio hepaticus Lea, 1859 + Unio lugubris Lea, 1838 + Unio raveneli Conrad, 1834 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) = Fusconaia askewi + Unio askewi Marsh, 1896 + Quadrula lananensis Frierson, 1901 Fusconaia chunii (Lea, 1861) = Fusconaia lananensis Fusconaia chunii (Lea, 1861) 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) + Lampsilis (s.s.) fullerkati R.I. Johnson, 1984 + Unio conspicuus Lea, 1872 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 = Pterosyna alabamensis Lasmigona complanata (Barnes, 1823) = Pterosyna complanata Lasmigona compressa (Lea, 1829) = Platynaias compressa Lasmigona costata (Rafinesque, 1820) Lasmigona decorata (Lea, 1852) = Platynaias decorata Lasmigona etowaensis (Conrad, 1849) = Alasminota etowaensis Lasmigona holstonia (Lea, 1838) = Alasminota holstonia Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis Lemiox rimosus (Rafinesque, 1831) Leptodea fragilis (Rafinesque, 1820) = Potamilus fragilis + Medionidus mcglameriae van der Schalie, 1939 Leptodea leptodon (Rafinesque, 1820) = Potamilus leptodon Leptodea ochracea (Say, 1817) = Atlanticoncha ochracea Ligumia nasuta (Say, 1817) = Sagittunio nasutus Ligumia recta (Lamarck, 1819) Ligumia subrostrata (Say, 1831) = Sagittunio subrostratus Margaritifera falcata (Gould, 1850) Margaritifera hembeli (Conrad, 1838) Margaritifera margaritifera (Linnaeus, 1758) Margaritifera marrianae Johnson, 1983 Margaritifera monodonta (Say, 1829) = Cumberlandia monodonta 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 flavidulus Lea, 1861 + Unio johannis Lea, 1859 Pleurobema plenum (Lea, 1840) Pleurobema pyriforme (Lea, 1857) Pleurobema riddellii (Lea, 1861) Pleurobema rubellum (Conrad, 1834) + Pleurobema avellana Simpson, 1900 + Unio furvus Conrad, 1834 + Unio (Pleurobema) hagleri Frierson, 1900 Pleurobema rubrum (Rafinesque, 1820) = Pleurobema sintoxia 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 quadrula Quadrula couchiana (Lea, 1860) Quadrula fragosa (Conrad, 1835) Quadrula nobilis (Conrad, 1854) Quadrula quadrula (Rafinesque, 1820) Quadrula rumphiana (Lea, 1852) = Quadrula quadrula Reginaia apalachicola (Williams & Fradkin, 1999) Reginaia ebenus (Lea, 1831) Reginaia rotulata (Wright, 1899) Simpsonaias ambigua (Say, 1825) Sinanodonta beringiana (Middendorff, 1851) = Beringiana beringiana Sinanodonta woodiana (Lea, 1834) Strophitus connasaugaensis (Lea, 1858) = Pseudodontoideus connasaugaensis Strophitus subvexus (Conrad, 1834) = Pseudodontoideus subvexus 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) = Quadrula verrucosa 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) = Venustaconcha constricta Villosa delumbis (Conrad, 1834) Villosa fabalis (Lea, 1831) = Paetulunio fabalis Villosa iris (Lea, 1829) = Cambarunio iris Villosa lienosa (Conrad, 1834) = Leaunio lienosus Villosa nebulosa (Conrad, 1834) = Cambarunio nebulosus Villosa ortmanni (Walker, 1925) = Leaunio ortmanni Villosa sima (Lea, 1838) = Cambarunio simus Villosa taeniata (Conrad, 1834) = Cambarunio taeniatus Villosa umbrans (Lea, 1857) = Leaunio umbrans Villosa vanuxemensis (Lea, 1838) = Leaunio vanuxemensis Villosa vaughaniana (Lea, 1838) = Sagittunio vaughanianus Villosa vibex (Conrad, 1834) Villosa villosa (Wright, 1898)
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