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

nominal species Unio biangulatus Lea, 1840

Unio biangulatus Lea, 1840 = Ortmanniana pectorosa

Lea, 1840. Proc. Amer. Phil. Soc. 1: 288 [as ‘biangularis’].
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 197, pl. 9, fig. 8.
(error for Unio biangularis Lea, 1840)
Type(s): HOLOTYPE USNM_86120, Caney Fork, Tennessee.

Taxonomic Opinions

+ Actinonaias pectorosa (Conrad, 1834) — Bieler, 2021: 9.

+ Actinonaias pectorosa (Conrad, 1834) — Williams et al., 2008: 109.

+ Actinonaias pectorosa (Conrad, 1834) — Parmalee & Bogan, 1998: 53.

+ Lampsilis (s.s.) pectorosa biangularis (Lea, 1840) — Haas, 1969: 457.

+ Lampsilis (s.s.) pectorosa-biangularis (Lea, 1840) — Frierson, 1927: 69.

+ Actinonaias pectorosa (Conrad, 1834) — Ortmann & Walker, 1922: 49.

+ Nephronaias pectorosa (Conrad, 1834) — Ortmann, 1918: 569.

+ Lampsilis (s.s.) biangularis (Lea, 1840) — Simpson, 1914: 59.

= Lampsilis (s.s.) biangulatus Lea — Simpson, 1900: 533.

= Unio biangulatus Lea — Pilsbry & Rhoads, 1896: 501.

= Unio (sec. Naidea) biangulatus Lea, 1842 — Paetel, 1890: 146.

= Unio biangulatus Lea — B.H. Wright, 1888: [1].

= Unio biangulatus Lea — Lewis, 1871: 217.

= Margaron (Unio) biangulatus (Lea) — Lea, 1870: 61.

= Unio biangulatus Lea, 1842 — Sowerby, 1868: pl. 80, sp. 421.

= Unio biangulatus Lea — Küster, 1861: 189, pl. 60, fig. 1; pl. 61, fig. 1.

= Unio (Naidea) biangulatus Lea — Adams & Adams, 1857: 492.

= Unio biangulatus Lea, 1841 — Conrad, 1853: 245, 254.

= Margaron (Unio) biangulatus (Lea) — Lea, 1852: 38.