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!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=231

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Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio complanata

nominal species Unio coarctata Lamarck, 1819

Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 73, sp. 11.
Type(s): HOLOTYPE MNHN_MPL_0005, [Habite la rivière d’Hudson [New York].

= Elliptio complanata

Taxonomic Opinions

+ Elliptio (s.s.) complanata (Lightfoot, 1786) — Burch, 1975
+ Elliptio (s.s.) complanata (Lightfoot, 1786) — R.I. Johnson, 1970
+ Elliptio (s.s.) violaceus violaceus (Spengler, 1793) — Haas, 1969
+ Elliptio complanata (Lightfoot, 1786) — R.I. Johnson, 1969
+ Elliptio (s.s.) complanatus (Dillwyn, 1817) — Frierson, 1927
+ Unio (sec. Elliptio) complanatus (‘Solander’ Dillwyn, 1817) — Simpson, 1914
+ Unio (sec. Elliptio) complanatus (Solander) Dillwyn, 1817 — Simpson, 1900
+ Margaron (Unio) complanata (Solan.) — Lea, 1870
= Unio coarctatus Lamarck, 1819 — Sowerby, 1866
+ Unio complanatus Solander — Conrad, 1853
+ Margaron (Unio) complanatus (Soland. Dill.) — Lea, 1852
+ Unio complanatus Lea — Hanley, 1843
+ Margarita (Unio) complanatus Lea — Lea, 1838
+ Margarita (Unio) complanata (‘Solander’ Dillwyn, 1817) — Lea, 1836
+ Unio complanatus Soland., Dilw. — Ferussac, 1835
+ Unio complanatus (Solander) — Lea, 1834
= Unio coarctata Lamk. — Deshayes, 1832
= Unio coarctatus Lamarck, 1819 — Menke, 1830
+ Unio complanatus Solander MSS. — Lea, 1829
= Unio coarctatus Lamarck, 1819 — Menke, 1828
+ Unio purpureus — Barnes, 1823
= Unio coarctata — Lamarck, 1819

Page updated: 11:30:55 Mon 08 Sep 2025