Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Ptychobranchus fasciolaris nominal species Unio compressissimus f.a performosus de Gregorio, 1914
de Gregorio, 1914, Il Nat. Siciliano 2: 53, pl. 5, figs. 2a-d.
(intro'd as intra-sp. of Unio compressissimus Lea, 1845)
= 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
= Unio compressissimus f.a performosus de Greg. — de Gregorio, 1914
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