species Ptychorhynchus pfisteri (Heude, 1874): synonymy

Unio pfisteri Heude, 1874

Heude, 1874. J. de Conch. 22: 112.
Heude, 1875. Conch. Fluv. Nanking (1): pl. 1, fig. 1.
Type(s): SYNTYPES MNHN_MP_3396, Riviere de Nanking, Chine Central.

Ptychorhynchus pfisteri — Simpson (1900), Simpson (1914), Haas (1924), Thiele (1934), Haas (1969), ... Dai et al. (2025), Dai et al. (2025), Chen et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026)
Ptychorhynchus ptisteri [sic] — Sano et al. (2017), Wang et al. (2018)

Unio pfisteri var. insperatus Heude, 1877

Heude, 1877. Conch. Fluv. Nanking (2): pl. 14, fig. 28.
(intro'd as intra-sp. of Unio pfisteri Heude, 1874)
Type(s): SYNTYPES MNHN_MP_3426, Chine.

Ptychorhynchus pfisteri var. inspiratus [sic] — Simpson (1900)
Ptychorhynchus pfisteri var. inspiratum [sic] — Simpson (1914)
Ptychorhynchus pfisteri — Haas (1924), Haas (1969), IUCN (2012), He & Zhuang (2013)

Unio mediastinus Heude, 1883

Heude, 1883. Conch. Fluv. Nanking (8): pl. 63, fig. 123.

Ptychorhynchus mediastinus — Simpson (1900)
Ptychorhynchus pfisteri var. mediastinum — Simpson (1914)
Ptychorhynchus pfisteri — Haas (1924), Haas (1969), He & Zhuang (2013)

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 — Haas (1924), Haas (1969)

Unio pfisteri inseparatus IUCN, 2012

‘Heude’ IUCN, 2012. IUCN Red List: [web].
(error for Unio pfisteri var. insperatus Heude, 1877)

Ptychorhynchus ptisteri Sano et al., 2017

Sano et al., 2017. J. Wat. Res. Prot. 9: 498.
Wang et al., 2018. Conserv. Genet. Resour. 11: 140.
(error for Unio pfisteri Heude, 1874)