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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.

= Elliptio downiei

Taxonomic Opinions

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

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

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

= Elliptio (s.s.) spissus (Lea, 1859) — Frierson, 1927

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

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

= Unio spissus Lea — B.H. Wright, 1888

= Margaron (Unio) spissus (Lea) — Lea, 1870

= Unio spissus Lea, 1859 — Sowerby, 1868