Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus greenii nominal species Unio simplex Lea, 1845
Lea, 1845, Proc. Amer. Phil. Soc. 4: 163.
Lea, 1848, Trans. Amer. Phil. Soc. 10 [O. 4]: 76 [50], pl. 5, fig. 15.
Type(s): FIGURED SYNTYPE USNM_84951, Black Warrior River, Alabama.
= Ptychobranchus greenii Taxonomic Opinions
+ Ptychobranchus greenii (Conrad, 1834) — Williams et al., 2008
+ Ptychobranchus greeni (Conrad, 1834) — Parmalee & Bogan, 1998
+ Ptychobranchus greeni (Conrad, 1834) — Burch, 1975
+ Ptychobranchus (s.s.) greeni (Conrad, 1834) — Haas, 1969
+ Ptychobranchus (s.s.) greeni (Conrad, 1834) — Frierson, 1927
+ Ptychobranchus greeni (Conrad, 1834) — Simpson, 1914
+ Ptychobranchus greeni (Conrad, 1834) — Simpson, 1900
= Unio simplex Lea — B.H. Wright, 1888
= Margaron (Unio) simplex (Lea) — Lea, 1870
= Unio (Hyridella) simplex Lea — Adams & Adams, 1857
+ Unio greenii Con. — Conrad, 1853
= Margaron (Unio) simplex (Lea) — Lea, 1852
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