Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma arcaeformis

nominal species Unio nexus Say, 1831

Unio nexus Say, 1831 = Epioblasma arcaeformis

Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 527.
Say, 1834. Amer. Conch. 6: pl. 51.

Taxonomic Opinions

+ Epioblasma arcaeformis (Lea, 1831) — Williams et al., 2008: 220.

+ Epioblasma arcaeformis (Lea, 1831) — Parmalee & Bogan, 1998: 81.

+ Plagiola (s.s.) arcaeformis (Lea, 1831) — R.I. Johnson, 1978: 257.

+ Dysnomia (Penita) arcaeformis (Lea, 1831) — Haas, 1969: 483.

+ Dysnomia (Penita) arcaeformis (Lea, 1831) — Frierson, 1927: 94.

+ Truncilla (s.s.) arcaeformis (Lea, 1831) — Simpson, 1914: 13.

+ Truncilla (s.s.) arcaeformis Lea — Simpson, 1900: 519.

= Unio (sec. Lampsilis) nexus Say, 1831 — Paetel, 1890: 160.

+ Margaron (Unio) aræformis (Lea) — Lea, 1870: 36.

+ Unio arcæformis Lea, 1831 — Reeve, 1864: pl. 14, sp. 57.

= Unio nexus Say, 1831 — Conrad, 1853: 252.

= Unio nexus Say — Küster, 1853: 69, pl. 17, fig. 2.

+ Truncilla arcaeformis (Lea) — Agassiz, 1852: 44.

+ Margaron (Unio) arcaeformis (Lea) — Lea, 1852: 23.

+ Unio arcæformis Lea — Hanley, 1843: 182.

+ Margarita (Unio) arcæformis Lea — Lea, 1838: 16.

= Unio nexus Say, 1831 — Conrad, 1837: 68, pl. 38, fig. 1.

+ Margarita (Unio) arcaeformis (Lea, 1831) — Lea, 1836: 18.

= Unio nexus Say — Ferussac, 1835: 28.