Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ligumia recta
Conrad, 1854. Jour. Acad. Nat. Sci. 2(4): 297, pl. 26, fig. 8.
+ Ligumia recta (Lamarck, 1819) — Watters et al., 2009: 186.
+ Ptychobranchus fasciolaris (Rafinesque, 1820) — Watters et al., 2009: 251.
+ Ligumia recta (Lamarck, 1819) — Williams et al., 2008: 427.
+ Ligumia recta (Lamarck, 1819) — Parmalee & Bogan, 1998: 152.
+ Ptychobranchus fasciolaris (Rafinesque, 1820) — Parmalee & Bogan, 1998: 201.
+ Ptychobranchus (s.s.) fasciolaris (Rafinesque, 1820) — Haas, 1969: 402.
= Ptychobranchus (s.s.) fasciolare-arquatum (Conrad, 1854) — Frierson, 1927: 64, sp. 285b.
+ Lampsilis (Eurynia) recta (Lamarck, 1819) — Simpson, 1914: 96.
+ Lampsilis (sec. Eurynia) rectus Lamarck — Simpson, 1900: 545.
= Unio arquatus Con. — B.H. Wright, 1888: [1].
+ Margaron (Unio) rectus (Lam.) — Lea, 1870: 57.