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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!


Bivalvia | Unionoida | Unionoidea | Unionidae | Parreysiinae | Parreysiini

genus Parreysia Conrad, 1853: synonymy
     8 Recent valid species (8 total species)

Niäa Lea, 1836
‘Swainson’ of Authors.
Lea, 1836. Synopsis Fam. Naiades: 31. [nomen nudum]
Lea, 1852. Synopsis Fam. Naiades: 33. [nomen nudum]
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 492.
(error for Naia Swainson, 1840)

Naia Swainson, 1840
Swainson, 1840. Treat. Malacol.: 284, 379 [as ‘Naïa’].
(intro'd as sub-gen. of Castalia Lamarck, 1819)
Type species: Mya corrugata Müller, 1774 (sub. desig. by Herrmannsen, 1847: 89) = Parreysia corrugata

Naza Agassiz, 1845
Agassiz, 1845. Nom. Syst. Gen. Moll.: 58.
(error for Naia Swainson, 1840)

Parreysia Conrad, 1853
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 267.
Type species: Unio multidentatus Philippi, 1847 (orig. desig.) = Parreysia corrugata

Niaea Mörch, 1853
‘Sws. 1837’
Mörch, 1853. Cat. Conch. Yoldi 2: 47 [as ‘Niæa’].
Paetel, 1890. Cat. Conch.-Samml. 3: 143.
(error for Naia Swainson, 1840)

Parreyssia Kobelt, 1910
‘Conrad’ of Authors.
Kobelt, 1910. Abh. Senckenb. Naturf. Ges. 32: 85.
Prashad, 1918. Rec. Ind. Mus. 15: 145.
Prashad, 1919. Rec. Ind. Mus. 16: 292.
(error for Parreysia Conrad, 1853)

Parrysia Coates, 1925
Coates, 1925. Trans. Proc. Perthshire Soc. Nat. Sci. 8: 83.
(error for Parreysia Conrad, 1853)

Taxonomic History (since 1900)

Parreysia (s.s.)Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Thiele (1934), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
ParreysiaOrtmann (1910), Ortmann (1912), Prashad (1922), Modell (1942), Haas (1969), ... Chen et al. (2023), Konopleva et al. (2023), Bolotov et al. (2024), Bolotov et al. (2024), Dai et al. (2025)
Parreyssia [sic]Prashad (1919)
Parreysia (Radiatula)Burdi et al. (2009)
LeoparreysiaBolotov et al. (2017), Graf & Cummings (2021)
Parreysia (corrugata-group)Bolotov et al. (2022), Bolotov et al. (2024)
Parreysia (rajahensis-group)Bolotov et al. (2022)
Parreysia (keralaensis-group)Bolotov et al. (2022), Bolotov et al. (2024)

 
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