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Data last updated
Thu 18 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Gonideinae
| Gonideini
| Ptychorhynchus pfisteri
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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