Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio downiei nominal species Unio satillaensis Lea, 1858
Lea, 1858, Proc. Acad. Nat. Sci. 10: 166.
Lea, 1859, Jour. Acad. Nat. Sci. 4 [O. 7]: 216 [34], pl. 27, fig. 96.
Type(s): HOLOTYPE USNM_84855, Satilla R., Camden Co., 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.) geminus (Lea, 1856) — Haas, 1969
+ Elliptio (s.s.) geminus (Lea, 1856) — Frierson, 1927
+ Unio (sec. Elliptio) geminus Lea, 1856 — Simpson, 1914
+ Unio (sec. Elliptio) geminus Lea, 1856 — Simpson, 1900
= Unio satillaensis Lea — B.H. Wright, 1888
= Margaron (Unio) satillaensis (Lea) — Lea, 1870
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