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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Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ortmanniana pectorosa

nominal species Unio biangularis Lea, 1840

Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 197, pl. 9, fig. 8 [as ‘biangulatus’].

= Ortmanniana pectorosa

Taxonomic Opinions

+ Actinonaias pectorosa (Conrad, 1834) — Bieler, 2021
+ Actinonaias pectorosa (Conrad, 1834) — Williams et al., 2008
+ Actinonaias pectorosa (Conrad, 1834) — Parmalee & Bogan, 1998
+ Actinonaias pectorosa (Conrad, 1834) — Burch, 1975
= Lampsilis (s.s.) pectorosa biangularis (Lea, 1840) — Haas, 1969
= Lampsilis (s.s.) pectorosa-biangularis (Lea, 1840) — Frierson, 1927
+ Actinonaias pectorosa (Conrad, 1834) — Ortmann & Walker, 1922
+ Nephronaias pectorosa (Conrad, 1834) — Ortmann, 1918
= Lampsilis (s.s.) biangularis (Lea, 1840) — Simpson, 1914
+ Lampsilis (s.s.) biangulatus Lea — Simpson, 1900

Page updated: 11:29:14 Wed 04 Dec 2024