Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ortmanniana pectorosa

nominal species Unio biangularis Lea, 1840

Unio biangularis Lea, 1840 = Ortmanniana pectorosa

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