Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio downiei

nominal species Unio spissus Lea, 1859

Unio spissus Lea, 1859 = Elliptio downiei

Lea, 1859. Proc. Acad. Nat. Sci. 11: 112.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 208 [26], pl. 25, fig. 89.
Type(s): HOLOTYPE USNM_84853, Satilla R., Ga.

Taxonomic Opinions

+ Elliptio (s.s.) crassidens (Lamarck, 1819) — Burch, 1975: 173.

+ Elliptio (s.s.) crassidens downiei (Lea, 1858) — R.I. Johnson, 1970: 307.

= Elliptio (s.s.) spissus (Lea, 1859) — Haas, 1969: 218.

= Elliptio (s.s.) spissus (Lea, 1859) — Frierson, 1927: 26, sp. 61.

= Unio (sec. Elliptio) spissus Lea, 1859 — Simpson, 1914: 687.

= Unio (sec. Elliptio) spissus Lea, 1859 — Simpson, 1900: 734.

= Unio spissus Lea — B.H. Wright, 1888: [5].

= Margaron (Unio) spissus (Lea) — Lea, 1870: 41.

= Unio spissus Lea, 1859 — Sowerby, 1868: pl. 88, sp. 476.