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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
Superordo: Eupulmonata
Ordo: Stylommatophora
Subordo: Helicina
Infraordo: Rhytidoidei
Superfamilia: Rhytidoidea

Familia: Rhytididae
Subfamilia: Rhytidinae
Genus: Wainuia
Species: W. clarki – W. edwardi – W. nasuta – W. urnula

Wainuia Powell, 1930

Efford, M. 1998: Distribution and status of native carnivorous land snails in the genera Wainuia and Rhytida. Science for conservation, 101. [1]
Efford, M.; Howitt, R.; Gleeson, D. 2002: Phylogenetic relationships of Wainuia (Mollusca: Pulmonata) — biogeography and conservation implications. Journal of The Royal Society of New Zealand, 32: 445–456. DOI: 10.1080/03014223.2002.9517703
Powell, A.W.B. 1930: The Paryphantidae of New Zeland: their hypothetical ancestry, with descriptions of new species and a new genus. Records of the Auckland Institute and Museum, 3(1): 22, 51.

Wainuia is a genus of air-breathing predatory land snails, terrestrial pulmonate gastropod molluscs in the family Rhytididae.


Species in this genus occur in:

New Zealand[1]


The width of the shell of Wainuia is 21–38 mm.[2]

Species within the genus Wainuia include:[1]

Wainuia clarki (Powell, 1936), North Island
Wainuia edwardi (Suter, 1899), South Island
Wainuia fallai (Powell, 1946), South Island
Wainuia urnula
Wainuia urnula urnula (Pfeiffer, 1855), North Island
Wainuia urnula nasuta (Powell, 1946), D'Urville Island
Wainuia sp. not yet described, Fiordland, South Island


Species of the genus Wainuia are carnivorous.

Wainuia have eggs with a calcareous surface which lacks cuticle.[3]

Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
Efford M., Howitt R. & Gleeson D. 2002. Phylogenetic relationships of Wainuia (Mollusca: Pulmonata)—biogeography and conservation implications. Journal of the Royal Society of New Zealand, Volume 32, Number 3, September 2002, 445–456.

O'Connor A. C. (June) 1945. Notes on the Eggs of New Zealand Paryphantidae, With Description of a New Subgenus. Transactions of the Royal Society of New Zealand, volume 5, 1945-46, pages 54-57.

Checklist of New Zealand Mollusca
New Zealand Department of Conservation

Further reading

Efford M. G. 1998 Distribution and status of native carnivorous land snails in the genera Wainuia and Rhytida. Science for Conservation 101: 1–47.

Mollusca Images

Biology Encyclopedia

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