Unionoida | Unionoidea | Unionidae | Gonideinae | Gonideini | Ptychorhynchus pfisteri nominal species Ptychorhynchus pfisteri var. inspiratus Simpson, 1900
‘Heude’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 851.
‘Heude’ Simpson, 1914, Descr. Cat. Naiades: 1145.
(error for Unio pfisteri var. insperatus Heude, 1877)
= Ptychorhynchus pfisteri Taxonomic Opinions
+ Ptychorhynchus pfisteri (Heude, 1874) — Haas, 1969
+ Ptychorhynchus pfisteri (Heude, 1874) — Haas, 1924
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