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 | |
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Powelliphanta annectens | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Order: | Stylommatophora |
Family: | Rhytididae |
Genus: | Powelliphanta |
Species: | P. annectens
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Binomial name | |
Powelliphanta annectens Powell, 1936
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Distribution
editThis 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
editThe 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
edit- ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- ^ "Carnivorous land snails - Powelliphanta" (PDF). NZ Department of Conservation. Archived from the original (PDF) on 2012-10-21. Retrieved 2013-09-17.
- ^ "Rod Morris Nature Photography with Keywords: powelliphanta". www.rodmorris.co.nz. Retrieved 2016-05-20.
- ^ 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.