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

nominal species Unio nexus Say, 1831

= Epioblasma arcaeformis

Taxonomic Opinions

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

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

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

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

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

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

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

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

+ Margaron (Unio) aræformis (Lea) — Lea, 1870

+ Unio arcæformis Lea, 1831 — Reeve, 1864

= Unio nexus Say, 1831 — Conrad, 1853

= Unio nexus Say — Küster, 1853

+ Truncilla arcaeformis (Lea) — Agassiz, 1852

+ Margaron (Unio) arcaeformis (Lea) — Lea, 1852

+ Unio arcæformis Lea — Hanley, 1843

+ Margarita (Unio) arcæformis Lea — Lea, 1838

= Unio nexus Say, 1831 — Conrad, 1837

+ Margarita (Unio) arcaeformis (Lea, 1831) — Lea, 1836

= Unio nexus Say — Ferussac, 1835