species Parreysia nagpoorensis (Lea, 1860): synonymy

Unio nagpoorensis Lea, 1860

Lea, 1860. Proc. Acad. Nat. Sci. 11: 331.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 270, pl. 45, fig. 150.
Type(s): HOLOTYPE ANSP_125504, Ambijiri Tanks, Nagpoor, Bengal, India.

Parreysia (s.s.) corrugata var. nagpoorensis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969)
Parreysia (s.s.) corrugata nagpoorensis — Subba Rao (1989)
Parreysia (s.s.) corrugata subsp. nagpoorensis — Ramakrishna & Dey (2007)
Parreysia (corrugata-group) nagpoorensis — Bolotov et al. (2022), Bolotov et al. (2024)
Parreysia nagpoorensis — Bolotov et al. (2022), Chen et al. (2023), Dai et al. (2025), Chen et al. (2025)

Unio merodabensis ‘von dem Busch in lit.’ Küster, 1861

‘von dem Busch in lit.’ Küster, 1861. Conchyl. Cab. 9(2): 233, pl. 78, fig. 4.

Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969)
Parreysia (corrugata-group) nagpoorensis — Bolotov et al. (2022)

Unio pinax Benson, 1862

Benson, 1862. Ann. Mag. Nat. Hist. 10: 192.
Type(s): TYPE BMNH_MP_434, [no locality available - Asia].

Parreysia (s.s.) favidens var. pinax — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) favidens pinax — Subba Rao (1989)
Parreysia favidens pinax — Nesemann et al. (2007), IUCN (2011)
Parreysia (corrugata-group) nagpoorensis — Bolotov et al. (2022)

Unio triembolus Benson, 1862

Benson, 1862. Ann. Mag. Nat. Hist. 10: 190.
Type(s): POSSIBLE SYNTYPES MCZ_175558, Ramgunga River, near Morodabod, India.

Parreysia (s.s.) tavoyensis var. triembolus — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia tavoyensis — Haas (1969)
Parreysia (s.s.) triembolus — Subba Rao (1989), Ramakrishna & Dey (2007)
Parreysia (s.s.) triembola — Graf & Cummings (2007)
Parreysia triembolus — Nesemann et al. (2007), IUCN (2010)
Parreysia triembola — Bogan (2010), Graf & Cummings (2021)
Parreysia (corrugata-group) nagpoorensis — Bolotov et al. (2022)

Unio trirostris Musgrave, 1863

Musgrave, 1863. Phot. Conch. of Conch. Misc. Hanley: pl. 2, fig. 9.
Hanley & Theobald, 1870. Conch. Indica (1): 6, pl. 11, fig. 6.
Type(s): HOLOTYPE BMNH_1907-12-30-45, Hindostan.

Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Preston (1915)
Parreysia (s.s.) favidens var. trirostris — Simpson (1914)
Parreysia favidens — Haas (1969)
Parreysia (corrugata-group) nagpoorensis — Bolotov et al. (2022)

Parreysia corrugata ‘Müller’ of Authors

‘Müller’ of Authors.
Bolotov et al., 2017. Sci. Repts. 7: Table S1 [as ‘Parreysia corrugata sp. 2’]. [in part]
Bolotov et al., 2017. Sci. Repts. 7: Table S1. [in part]
Bolotov et al., 2018. Sci. Repts. 8: Table S1 [as ‘Parreysia corrygata sp. 2’].
Pfeiffer et al., 2018. J. Moll. Studies 84(4): Table 1. [in part]
Huang et al., 2019. MPE 130: Table S4 [as ‘Parreysia corrugata sp. 2’].
Bolotov et al., 2020. Sci. Repts. 10: Table S1 [as ‘Parreysia corrugata sp. 3’].
Bolotov et al., 2020. Sci. Repts. 10: Table S1 [as ‘Parreysia corrugata sp. 2’].
Imsong & Murali, 2023. Uttar Pradesh J. Zool. 44(20): Table 1.
(misidentified reference to Mya corrugata Müller, 1774)

Unio corrugatus var. nagporensis Hanley & Theobald, 1872

Hanley & Theobald, 1872. Conch. Indica (3): 21.
(error for Unio nagpoorensis Lea, 1860)

Parreysia (s.s.) corrugata var. nagpoorensis — Preston (1912)