The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus fasciolaris

nominal species Unio compressissimus Lea, 1845

Lea, 1845, Proc. Amer. Phil. Soc. 4: 163.
Lea, 1848, Trans. Amer. Phil. Soc. 10 [O. 4]: 81, pl. 8, fig. 23.
Type(s): FIGURED SYNTYPE USNM_84474, Holston R., Tenn.

= Ptychobranchus fasciolaris

Taxonomic Opinions

+ Ptychobranchus fasciolaris (Rafinesque, 1820) — Watters et al., 2009
+ Ptychobranchus fasciolaris (Rafinesque, 1820) — Williams et al., 2008
+ Ptychobranchus fasciolaris (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Ptychobranchus (s.s.) fasciolaris (Rafinesque, 1820) — Haas, 1969
+ Ptychobranchus (s.s.) fasciolare (Rafinesque, 1820) — Frierson, 1927
+ Ptychobranchus phaseolus (Hildreth, 1828) — Simpson, 1914
= Unio compressissimus Lea — de Gregorio, 1914
+ Ptychobranchus phaseolus (Hildreth, 1828) — Simpson, 1900
= Unio compressissimus Lea — B.H. Wright, 1888
= Unio compressissimus Lea — Lewis, 1871
= Margaron (Unio) compressissimus (Lea) — Lea, 1870
= Unio (Lampsilis) compressissimus Lea — Adams & Adams, 1857
= Unio compressissimus Lea, 1845 — Conrad, 1853
= Margaron (Unio) compressissimus (Lea) — Lea, 1852

Page updated: 12:07:36 Tue 03 Jun 2025