Powelliphanta annectens

Powelliphanta annectens is one of the amber snails, an air-breathing land snail, a terrestrial gastropod mollusc in the family Rhytididae. It is a protected species with very limited distribution.

Powelliphanta annectens
Powelliphanta annectens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Rhytididae
Genus: Powelliphanta
Species:
P. annectens
Binomial name
Powelliphanta annectens
Powell, 1936

Distribution

This species occurs in the northern parts of the South Island of New Zealand.[1] The only individuals have been found between 2,000 and 2,500 feet (610 and 760 m) from the Oparara River near Karamea, to Gunner Downs south of the Heaphy River.[2][3]

Life cycle

The shape of the eggs of this species is oval. They are seldom constant in dimensions, varying from 9 by 8 millimetres (0.35 in × 0.31 in) to 9 by 8.5 millimetres (0.35 in × 0.33 in).[4]

References

  1. Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  2. "Carnivorous land snails - Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 2012-10-21. Retrieved 2013-09-17.
  3. "Rod Morris Nature Photography with Keywords: powelliphanta". www.rodmorris.co.nz. Retrieved 2016-05-20.
  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.


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