Unio murinus Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 62, fig. 121.

Unio murinus — Heude (1883)
Ptychorhynchus murinus — Simpson (1900)
Ptychorhynchus murinum — Simpson (1914), Haas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021), Bolotov et al. (2023)
Heudeana murinum — Modell (1942)
Heudeana murina — Haas (1969)
Heudeana sp. — Prozorova et al. (2005)

Unio pinchonianus Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 63, fig. 125.

Unio pinchonianus — Heude (1883)
Hyriopsis (s.s.) pinchonianus — Simpson (1900), Simpson (1914)
Hyriopsis pinchoniana — Graf & Cummings (2007), Bogan (2010)
Pseudodon pinchoniana — He & Zhuang (2013)
Pseudodon pinchonianus — Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021)
Ptychorhynchus murinum — Bolotov et al. (2023)

Pseudodon solidus Haas, 1911
Haas, 1911, Nachr. Bl. Dtsch. Malak. Ges. 43: 46.
Haas, 1913, Conch. Cab. 9 (pt. 2, h. 47): pl. 41, fig. 4.
Haas, 1924, Abh. Senckenb. Naturf. Ges. 38: 136.

Pseudodon solidus — Haas (1911), Simpson (1914), Bogan (2010)
Pseudodon (s.s.) solidus — Haas (1924), Haas (1969), Graf & Cummings (2007)
Nasus solidus — Prozorova et al. (2005)
Pseudodon pinchoniana — He & Zhuang (2013)
Pseudodon pinchonianus — Graf & Cummings (2021)
Ptychorhynchus murinum — Bolotov et al. (2023)

Unio compressus Heude, 1877
Heude, 1877, Conch. Fluv. Nanking (3): pl. 24, fig. 52.
(homonym of Unio compressus Sowerby, 1829; renamed Unio douglasiae subpressus Heude, 1885; renamed Ptychorhynchus incertus Simpson, 1900)
Type(s): SYNTYPE MNHN_MP_3388, Ngan Noue, Chine.

Unio compressus — Heude (1877)
Unio douglasiae var. subpressus — Heude (1885)
Ptychorhynchus murinus — Simpson (1900)
Ptychorhynchus murinum — Simpson (1914), Haas (1924), Haas (1969), He & Zhuang (2013)

Unio modestus Heude, 1877
Heude, 1877, Conch. Fluv. Nanking (2): pl. 14, fig. 29.
(homonym of Unio modestus Küster, 1856; renamed Unio simpularius Heude, 1884)
Type(s): SYNTYPE MNHN_MP_3391, Ngan Noue, Chine.

Unio modestus — Heude (1877)
Unio simpularius — Heude (1884)
Parreysia (s.s.) simpularis — Simpson (1900)
Parreysia (s.s.) modesta — Simpson (1914)
Ptychorhynchus simpulare — Haas (1924)
Ptychorhynchus murinum — Haas (1969), He & Zhuang (2013)

Unio apicellatus Heude, 1883
Heude, 1883, Conch. Fluv. Nanking (8): pl. 63, fig. 126.

Unio apicellatus — Heude (1883)
Ptychorhynchus apicellatus — Simpson (1900)
Ptychorhynchus apicellatum — Simpson (1914), Haas (1924)
Ptychorhynchus murinum — Haas (1969), He & Zhuang (2013)

Unio simpularius Heude, 1884
Heude, 1884, J. de Conch. 32: 20.
(new name for Unio modestus Heude, 1877)

Unio simpularius — Heude (1884)
Parreysia (s.s.) simpularis — Simpson (1900)
Parreysia (s.s.) modesta — Simpson (1914)
Ptychorhynchus simpulare — Haas (1924)
Ptychorhynchus murinum — Haas (1969), He & Zhuang (2013)

Unio douglasiae subpressus Heude, 1885
Heude, 1885, Conch. Fluv. Nanking (9): pl. 65-65bis.
(intro'd as intra-sp. of Unio douglasiae Griffith & Pidgeon, 1833; new name for Unio compressus Heude, 1877)

Unio douglasiae subpressus — Heude (1885)
Unio douglasiae var. subpressus — Heude (1885)
Unio douglasiae — Liu et al. (1979)
Nodularia douglasiae — Prozorova et al. (2005)
Ptychorhynchus murinum — He & Zhuang (2013)

Unio morinus Paetel, 1890
‘Heude’ Paetel, 1890, Cat. Conch.-Samml. 3: 160.
(error for Unio murinus Heude, 1883)

Unio morinus — Paetel (1890)
Ptychorhynchus murinus — Simpson (1900)
Ptychorhynchus murinum — Simpson (1914), Haas (1924), Haas (1969)

Parreysia simpularis Simpson, 1900
‘Heude’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 845.
Simpson, 1914, Descr. Cat. Naiades: 1122.
Haas, 1924, Abh. Senckenb. Naturf. Ges. 38: 159.
Haas, 1969, Das Tierreich 88: 106.
He & Zhuang, 2013, Freshwater Bivalves China: 95.
(error for Unio simpularius Heude, 1884)

Parreysia simpularis — Simpson (1900)

Ptychorhynchus incertus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 851.
(new name for Unio compressus Heude, 1877)

Ptychorhynchus incertus — Simpson (1900)
Ptychorhynchus murinus — Simpson (1900)
Ptychorhynchus murinum — Simpson (1914), Haas (1924), Haas (1969), He & Zhuang (2013)

Taxonomic History (since 1900)

Ptychorhynchus murinus — Simpson (1900)
Parreysia (s.s.) simpularis — Simpson (1900)
Ptychorhynchus apicellatus — Simpson (1900)
Hyriopsis (s.s.) pinchonianus — Simpson (1900), Simpson (1914)
Parreysia simpularis — Simpson (1900)
Ptychorhynchus incertus — Simpson (1900)
Pseudodon solidus — Haas (1911), Simpson (1914), Bogan (2010)
Ptychorhynchus murinum — Simpson (1914), Haas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021), Bolotov et al. (2023)
Parreysia (s.s.) modesta — Simpson (1914)
Ptychorhynchus apicellatum — Simpson (1914), Haas (1924)
Ptychorhynchus simpulare — Haas (1924)
Pseudodon (s.s.) solidus — Haas (1924), Haas (1969), Graf & Cummings (2007)
Heudeana murinum — Modell (1942)
Heudeana murina — Haas (1969)
Unio douglasiae — Liu et al. (1979)
Heudeana sp. — Prozorova et al. (2005)
Nodularia douglasiae — Prozorova et al. (2005)
Nasus solidus — Prozorova et al. (2005)
Hyriopsis pinchoniana — Graf & Cummings (2007), Bogan (2010)
Pseudodon pinchoniana — He & Zhuang (2013)
Pseudodon pinchonianus — Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021)