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Taxonomy

Species & Genus Richness by
Taxonomy

Geography

Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

genus Parreysia Conrad, 1853: species

2 available nominal genus synonyms (7 total synonyms) | cladomics

Included Species

Parreysia corrugata (Müller, 1774)

syonymy (19 available, 32 total) | specimens (252 + 32 Genbank vouchers)

Range: Widespread in India and Bangladesh, as well as Nepal. (East Asia)

Genbank sequences: 18S, COI, other
IUCN Red List: Least Concern, Least Concern (Parreysia sikkimensis), Least Concern (Parreysia favidens), Data Deficient (Parreysia feddeni)
other links: MolluscaBase

Parreysia keralaensis Bolotov, Pasupuleti & Subba Rao in Bolotov et al., 2022

syonymy (1 available, 2 total) | specimens (0 + 13 Genbank vouchers)

Range: Periyar & Pampa rivers, India. (East Asia)

Genbank sequences: COI
other links: MolluscaBase

Decorative image of a representative of Parreysia marcens

Parreysia marcens (Benson, 1862)

syonymy (4 available, 7 total) | specimens (12 + 19 Genbank vouchers)

Range: Brahmaputra River, India. (East Asia)

Genbank sequences: 16S, 28S, COI
IUCN Red List: Least Concern (Parreysia gowhattensis), Data Deficient (Parreysia annandalei)
other links: MolluscaBase

Decorative image of a representative of Parreysia nagpoorensis

Parreysia nagpoorensis (Lea, 1860)

syonymy (5 available, 7 total) | specimens (29 + 13 Genbank vouchers)

Range: Ganges, Krishna, Godavari, and Karli rivers, India. (East Asia)

Genbank sequences: COI
IUCN Red List: Least Concern (Parreysia triembolus)
other links: MolluscaBase

Parreysia plagiosoma (Benson, 1862)

syonymy (2 available, 4 total) | specimens (9 + 5 Genbank vouchers)

Range: Ganges and Vaghotan rivers, India. (East Asia)

Genbank sequences: COI
other links: MolluscaBase

Decorative image of a representative of Parreysia rajahensis

Parreysia rajahensis (Lea, 1841)

syonymy (3 available, 3 total) | specimens (22)

Range: Narmada Basin, west-central India. (East Asia)

IUCN Red List: Least Concern
other links: MolluscaBase

Parreysia rakhinensis Bolotov, Konopleva, Vikhrev, Gofarov, Lopes-Lima, Bogan, Lunn, Chan, Win, Aksenova, Tomilova, Tanmuangpak, Tumpeesuwan & Kondakov, 2020

syonymy (1 available, 1 total) | specimens (0 + 26 Genbank vouchers)

Range: Coastal streams of the Bay of Bengal, Myanmar. (East Asia)

Genbank sequences: 16S, 28S, COI
other links: MolluscaBase

Decorative image of a representative of Parreysia smaragdites

Parreysia smaragdites (Benson, 1862)

syonymy (2 available, 2 total) | specimens (9)

Range: Brahmaputra River, India. (East Asia)

IUCN Red List: Least Concern
other links: MolluscaBase

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