Powelliphanta rossiana

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Powelliphanta rossiana
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): Pulmonata
Family: Rhytididae
Genus: Powelliphanta
Species: P. rossiana
Binomial name
Powelliphanta rossiana
Powell, 1930

Powelliphanta rossiana, known as Ross' land snail,[1] is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. This species is endemic to the South Island of New Zealand. Subspecies include:[2]

  • Powelliphanta rossiana fletcheri Powell, 1938Range Restricted [3]
  • Powelliphanta rossiana gagei Powell, 1938Nationally Critical [3]
  • Powelliphanta rossiana rossiana Powell, 1930

The eggs are oval and seldom constant in dimensions 8 × 6.75, 6.5 × 5.75, 8.25 × 6.75 mm.[4]


  1. ^ a b Mollusc Specialist Group (1996). "Paryphanta rossiana". The IUCN Red List of Threatened Species. IUCN. 1996: e.T16406A5691502. doi:10.2305/IUCN.UK.1996.RLTS.T16406A5691502.en. Retrieved 27 December 2017. 
  2. ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd., Auckland, New Zealand 1979 ISBN 0-00-216906-1
  3. ^ a b "New Zealand Threat Classification System lists - 2002 - Terrestrial invertebrate - part one". New Zealand Department of Conservation. 2002. Archived from the original on October 15, 2008. Retrieved March 3, 2010. 
  4. ^ 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.