species Simpsonasus nankingensis (Heude, 1874): synonymy

Monocondylea nankingensis Heude, 1874

Heude, 1874. J. de Conch. 22: 116.
Heude, 1875. Conch. Fluv. Nanking (1): pl. 4, fig. 9 [as ‘nankinensis’ on plate caption].
Type(s): SYNTYPES MCZ_167240, Nanking, China.

Pseudodon (sec. Nasus) nankingensis — Simpson (1900), Simpson (1914), Thiele (1934)
Pseudodon (Nasus) nankingensis — Haas (1920), Haas (1969), Haas (1969), Graf & Cummings (2007)
Nasus nankingensis — Modell (1957)
Pseudodon nankingensis — Hu (2005), Bogan (2010), He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021)
Simpsonasus nankingensis — Bolotov et al. (2023)

Pseudodon secundus Heude, 1877

Heude, 1877. Conch. Fluv. Nanking (3): pl. 18, fig. 38.
Type(s): SYNTYPE MNHN_MP_3420, Ngan-houe, China.

Pseudodon (sec. Nasus) secundus — Simpson (1900), Simpson (1914)
Pseudodon (Nasus) secundus — Haas (1920), Haas (1969), Graf & Cummings (2007)
Nasus secundus — Prozorova et al. (2005)
Pseudodon secundus — Hu (2005), Bogan (2010), Xiong et al. (2012), He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021)
Simpsonasus nankingensis — Bolotov et al. (2023)

Monocondylaea nankinensis Heude, 1875

(error for Monocondylea nankingensis Heude, 1874)
Heude, 1875. Conch. Fluv. Nanking (1): pl. 4, fig. 9 [as ‘nankinensis’ on plate caption].

Monocondylaea nanquingensis Paetel, 1890

(error for Monocondylea nankingensis Heude, 1874)
‘Heude’ Paetel, 1890. Cat. Conch.-Samml. 3: 174.

Pseudodon (sec. Nasus) nankingensis — Simpson (1900), Simpson (1914)
Pseudodon (Nasus) nankingensis — Haas (1920)

Monocondylus nangkinensis Neumayr, 1899

(error for Monocondylea nankingensis Heude, 1874)
‘Heude’ Neumayr, 1899. Wiss. Erg. Reise Szechény Ost-Asien 2: 645.