Powelliphanta gilliesi

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Powelliphanta gilliesi
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): Pulmonata
Family: Rhytididae
Genus: Powelliphanta
Species: P. gilliesi
Binomial name
Powelliphanta gilliesi
E. A. Smith, 1880
Synonyms

Paryphanta gilliesi Smith, 1880

Powelliphanta gilliesi, one of the "amber snails", is a species of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.

Distribution[edit]

This species is endemic to the West Nelson area of the South Island of New Zealand.

There are nine subspecies,[2] some of which are listed by the New Zealand Department of Conservation:[3]

  • Powelliphanta gilliesi aurea Powell, 1946
  • Powelliphanta gilliesi brunnea Powell, 1938
  • Powelliphanta gilliesi compta Powell, 1930Nationally Vulnerable
  • Powelliphanta gilliesi fallax Powell, 1930National Decline
  • Powelliphanta gilliesi gilliesi Smith, 1880
  • Powelliphanta gilliesi jamesoni Powell, 1936
  • Powelliphanta gilliesi kahurangica Powell, 1936
  • Powelliphanta gilliesi montana Powell, 1936
  • Powelliphanta gilliesi subfusca Powell, 1930Gradual Decline

Life cycle[edit]

The eggs of this species are oval in shape and are seldom constant in dimensions, varying from 9 × 8 mm, to 9.75 × 8 mm, and 10 × 8 mm.[4]

References[edit]

  1. ^ Mollusc Specialist Group (1996). "Paryphanta gilliesi". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature. Retrieved March 8, 2010. 
  2. ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd., Auckland, New Zealand 1979 ISBN 0-00-216906-1
  3. ^ "New Zealand Threat Classification System lists - 2002 - Terrestial [sic] invertebrate - part one". New Zealand Department of Conservation. 2002. 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.