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
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