MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Wed 04 February 2026
Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus fasciolaris
nominal species Unio compressissimus f.a performosus de Gregorio, 1914
Unio compressissimus f.a performosus de Gregorio, 1914 = Ptychobranchus fasciolaris
de Gregorio, 1914. Il Nat. Siciliano 2: 53, pl. 5, figs. 2a-d.
(intro'd as intra-sp. of Unio compressissimus Lea, 1845)
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
= Unio compressissimus f.a performosus de Greg. — de Gregorio, 1914
