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Thu 17 July 2025

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

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Publication Williams et al. (2014): taxonomic opinions
     publication summary

Complete Citation

Williams, J.D., R.S. Butler, G.L. Warren & N.A. Johnson. 2014. Freshwater Mussels of Florida. 498 pp.

Taxonomic Opinions

Alasmidonta (s.s.) arcula = Alasmidonta arcula

Alasmidonta (s.s.) triangulata (Lea, 1858) = Alasmidonta triangulata

Alasmidonta (s.s.) undulata (Say, 1817) = Alasmidonta undulata

Alasmidonta (s.s.) wrightiana (Walker, 1901) = Alasmidonta wrightiana

Amblema elliottii

Amblema neislerii (Lea, 1858)

Amblema plicata (Say, 1817)

Anodonta couperiana Lea, 1840 = Utterbackiana couperiana

Anodonta hartfieldorum Williams, Bogan, and Garner, 2009 = Utterbackiana hartfieldorum

Anodonta heardi Gordon and Hoeh, 1995 = Utterbackiana heardi

Anodonta suborbiculata Say, 1831 = Utterbackiana suborbiculata

Anodontoides denigrata = Anodontoides denigratus

Anodontoides radiatus (Conrad, 1834) = Strophitus radiatus
+ Margaritana elliottii Lea, 1858

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

Elliptio arctata (Conrad, 1834)
+ Unio strigosus Lea, 1840
+ Unio tortivus Lea, 1840
+ Unio viridans Lea, 1859

Elliptio chipolaensis (Walker, 1905)

Elliptio crassidens (Lamarck, 1819)
+ Unio (Elliptio) nigra Rafinesque, 1820
+ Unio incrassatus Lea, 1840
+ Unio danielsii B.H. Wright, 1899

Elliptio fraterna (Lea, 1852)

Elliptio fumata (Lea, 1857)
+ Unio plantii Lea, 1857
+ Unio subniger Lea, 1857
+ Unio hallenbeckii Lea, 1859
+ Unio salebrosus Lea, 1859
+ Unio basalis Lea, 1872
+ Unio corneus Lea, 1874
+ Unio dooleyensis Lea, 1874
+ Unio gesnerii Lea, 1874
+ Unio invenustus Lea, 1874

Elliptio jayensis (Lea, 1838)
+ Unio buckleyi Lea, 1843
+ Unio buddianus Lea, 1843
+ Unio coruscus Gould, 1856
+ Unio prasinatus Conrad, 1866
+ Unio cunninghami B.H. Wright, 1883
+ Unio dallii B.H. Wright, 1888
+ Unio dorei B.H. Wright, 1888
+ Unio hinkleyi B.H. Wright, 1888
+ Unio marshii B.H. Wright, 1888
+ Unio nolani B.H. Wright, 1888
+ Unio orcuttii S.H. Wright, 1888
+ Unio simpsoni B.H. Wright, 1888
+ Unio tryoni B.H. Wright, 1888
+ Unio ferrissii Marsh, 1891
+ Unio leonensis Simpson, 1892
10 more...

Elliptio mcmichaeli Clench & Turner, 1956

Elliptio monroensis (Lea, 1843)
+ Unio anthonyi Lea, 1861
+ Unio websterii B.H. Wright, 1888
+ Unio hartwrightii B.H. Wright, 1896
+ Unio polymorphus B.H. Wright, 1899

Elliptio nigella (Lea, 1852)

Elliptio occulta (Lea, 1843)
+ Unio fuscatus Lea, 1843
+ Unio fryanus B.H. Wright, 1888
+ Unio burtchianus S.H. Wright, 1897
+ Unio lehmanii S.H. Wright, 1897
+ Unio dispalans B.H. Wright, 1899
+ Unio rafinesquei Vanatta, 1915

Elliptio pullata (Lea, 1856)
+ Unio pullatis Lea, 1856
+ Unio aquilus Lea, 1857
+ Unio extensus Lea, 1857
+ Unio maconensis Lea, 1857
+ Unio sublatus Lea, 1857
+ Unio tetricus Lea, 1857
+ Unio roswellensis Lea, 1858
+ Unio verutus Lea, 1859
+ Unio viridiradiatus Lea, 1859
+ Unio mercerii Lea, 1862
+ Unio singularis B.H. Wright, 1899

Elliptio purpurella (Lea, 1857)

Elliptoideus sloatianus (Lea, 1840)
+ Unio atromarginatus Lea, 1840
+ Unio aratus Conrad, 1849
+ Unio plectophorus Conrad, 1849

Fusconaia burkei (Walker, 1922)

Fusconaia escambia Clench and Turner, 1956

Fusconaia flava (Rafinesque, 1820)
+ Unio trigonus Lea, 1831

Glebula rotundata (Lamarck, 1819)

Hamiota australis (Simpson, 1900)

Hamiota subangulata (Lea, 1840)
+ Unio kirklandianus S.H. Wright, 1897

Lampsilis binominata Simpson, 1900

Lampsilis floridensis (Lea, 1852)

Lampsilis ornata (Conrad, 1835)

Lampsilis straminea (Conrad, 1834)

Lasmigona subviridis (Conrad, 1835) = Platynaias subviridis

Margaritifera marrianae Johnson, 1983

Medionidus acutissimus (Lea, 1831)

Medionidus penicillatus (Lea, 1857)
+ Unio kingii B.H. Wright, 1900

Medionidus simpsonianus Walker, 1905

Medionidus walkeri (B.H. Wright, 1897)

Megalonaias nervosa (Rafinesque, 1820)
+ Unio boykinianus Lea, 1840
+ Unio heros Say, 1829

Obovaria choctawensis (Athearn, 1964)

Obovaria haddletoni (Athearn, 1964)

Plectomerus dombeyanus (Valenciennes, 1827)
+ Unio trapezoides Lea, 1831

Pleurobema pyriforme (Lea, 1857)
+ Unio striatus Lea, 1840
+ Unio bulbosus Lea, 1857
+ Unio modicus Lea, 1857
+ Unio amabilis Lea, 1865
+ Unio reclusus B.H. Wright, 1898
+ Unio harperi B.H. Wright, 1899
+ Pleurobema simpsoni Vanatta, 1915

Pleurobema strodeanum (B.H. Wright, 1898)
+ Pleurobema patsaligensis Simpson, 1900

Pleuronaia barnesiana

Ptychobranchus fasciolaris (Rafinesque, 1820)

Ptychobranchus jonesi (van der Schalie, 1934)

Pyganodon cataracta (Say, 1817)

Pyganodon grandis (Say, 1829)

Quadrula infucata (Conrad, 1834) = Pustulosa infucata

Quadrula kleiniana (Lea, 1852) = Pustulosa kleiniana

Quadrula succissa (Lea, 1852) = Pustulosa succissa
+ Unio cacao Lea, 1859
+ Quadrula (sec. Fusconaia) wrightii Simpson, 1914

Reginaia apalachicola (Williams and Fradkin, 1999)

Reginaia rotulata (B.H. Wright, 1899)

Toxolasma parvum (Barnes, 1823)

Toxolasma paulum (Lea, 1840)
+ Unio minor Lea, 1843
+ Unio cromwellii Lea, 1865
+ Unio marginis Lea, 1865
+ Unio corvinus Lea, 1868
+ Unio corvunculus Lea, 1868

Toxolasma paulum (Lea, 1840) = Toxolasma corvunculus

Toxolasma sp. cf. corvunculus = Toxolasma corvunculus

Uniomerus carolinianus (Bosc, 1801)
+ Unio blandingianus Lea, 1834
+ Unio paludicolus Gould, 1845
+ Unio jewettii Lea, 1867
+ Unio rivicolus Conrad, 1868

Uniomerus columbensis (Lea, 1857)

Uniomerus tetralasmus (Say, 1831)
+ Unio excultus Conrad, 1838

Uniomerus tetralasmus (Say, 1831) = Uniomerus declivis

Utterbackia imbecillis (Say, 1829)

Utterbackia peggyae (Johnson, 1965)

Utterbackia peninsularis Bogan and Hoeh, 1995

Villosa amygdalum (Lea, 1843)
+ Unio trosculus Lea, 1843
+ Unio trossulus Lea, 1843
+ Unio papyraceus Gould, 1845
+ Unio lepidus Gould, 1856
+ Unio vesicularis Lea, 1872
+ Unio singleyanus Marsh, 1891
+ Lampsilis (Villosa) wrightiana Frierson, 1927

Villosa lienosa (Conrad, 1834) = Leaunio lienosus
+ Unio subellipsis Lea, 1856
+ Unio concestator Lea, 1857
+ Unio fallax Lea, 1857
+ Unio intercedens Lea, 1857
+ Unio obfuscus Lea, 1857
+ Unio sudus Lea, 1857
+ Unio prattii Lea, 1858
+ Unio dispar Lea, 1860
+ Unio linguaeformis Lea, 1860
+ Unio unicostatus B.H. Wright, 1899

Villosa lienosa (Conrad, 1834) = Villosa vibex

Villosa vibex (Conrad, 1834)
+ Unio exiguus Lea, 1840
+ Unio pellucidus Lea, 1845
+ Unio nigrinus Lea, 1852
+ Unio averellii B.H. Wright, 1888

Villosa villosa (B.H. Wright, 1898)

 
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