Powelliphanta traversi
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Powelliphanta traversi | |
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Powelliphanta traversi otakia in Te Papa | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Order: | Stylommatophora |
Family: | Rhytididae |
Genus: | Powelliphanta |
Species: | P. traversi
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Binomial name | |
Powelliphanta traversi Powell, 1930
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/39/Powelliphanta_traversi_traversi_Papaitonga.jpg/220px-Powelliphanta_traversi_traversi_Papaitonga.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/47/Powelliphanta_Prouse_2.jpg/220px-Powelliphanta_Prouse_2.jpg)
Powelliphanta traversi, known as Travers' 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 North Island of New Zealand between Wellington and Lake Waikaremoana.
There are six subspecies,[2] all of which are listed by the New Zealand Department of Conservation as threatened:[3]
- Powelliphanta traversi florida Powell, 1946 – Nationally Endangered
- Powelliphanta traversi latizona Powell, 1949 – Nationally Endangered
- Powelliphanta traversi koputaroa Powell, 1946 – Nationally Endangered
- Powelliphanta traversi otakia Powell, 1946 – Nationally Critical
- Powelliphanta traversi tararuaensis Powell, 1938 – Nationally Endangered
- Powelliphanta traversi traversi Powell, 1930 – Nationally Endangered
The eggs are oval and seldom constant in dimensions 10 × 8.75 mm, 9.5 × 8.5 mm, 10 × 8 mm, 11 × 9 mm, 10.75 × 9 mm.[4]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Possum_predated_Powelliphanta_traversi_DOC_1994.jpg/220px-Possum_predated_Powelliphanta_traversi_DOC_1994.jpg)
See also
[edit]References
[edit]![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
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- ^ a b Mollusc Specialist Group (1996). "Paryphanta traversi". IUCN Red List of Threatened Species. 1996: e.T16409A5703709. doi:10.2305/IUCN.UK.1996.RLTS.T16409A5703709.en. Retrieved 27 December 2017.
- ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd., Auckland, New Zealand 1979 ISBN 0-00-216906-1
- ^ "Powelliphanta snails". New Zealand Department of Conservation. Retrieved 9 December 2021.
- ^ 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.