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!

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Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Alasmidonta undulata

nominal species Uniopsis mytiloides Swainson, 1840

‘Lea’ Swainson, 1840, Treat. Malacol.: 289 [as ‘Uniopsis radiata’].
Swainson, 1840, Treat. Malacol.: 382, fig. 62 [as ‘mytiloïdes’].
(renamed Unio swainsoni Sowerby, 1868)

= Alasmidonta undulata

Taxonomic Opinions

+ Alasmidonta (s.s.) undulata (Say, 1817) — Clarke, 1981
+ Alasmidonta (s.s.) undulata (Say, 1816) — Burch, 1975
+ Alasmidonta (s.s.) undulata (Say, 1817) — R.I. Johnson, 1970
+ Alasmidonta (s.s.) undulata (Say, 1817) — Haas, 1969
= Alasmidonta (s.s.) undulata-mytiloides (Swainson, 1840) — Frierson, 1927
+ Alasmidonta (s.s.) undulata (Say, 1817) — Simpson, 1914
+ Alasmidonta (s.s.) undulata (Say, 1816) — Simpson, 1900
+ Margaron (Unio) swainsoni (Sow.) — Lea, 1870
+ Unio swainsoni ‘Hanley’ Sowerby, 1868 — Sowerby, 1868
+ Margaron (Unio) mytiloides (Raf.) — Lea, 1852
= Uniopsis mytiloides Swainson, 1840 — Swainson, 1840

Page updated: 08:18:28 Tue 01 Jul 2025