nominal species Unio mediastinus Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 63, fig. 123.
= Ptychorhynchus pfisteri Taxonomic Opinions
+ Ptychorhynchus pfisteri (Heude, 1874) — (He & Zhuang, 2013)
+ Ptychorhynchus pfisteri (Heude, 1874) — (Haas, 1969)
+ Ptychorhynchus pfisteri (Heude, 1874) — (Haas, 1924)
= Ptychorhynchus pfisteri var. mediastinum (Heude, 1883) — (Simpson, 1914)
= Ptychorhynchus mediastinus (Heude, 1883) — (Simpson, 1900)
= Unio mediastinus Heude — (Heude, 1883)
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