Powelliphanta traversi traversi
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Powelliphanta traversi traversi | ||||||||||||||||
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A Powelliphanta of unknown species.
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Powelliphanta traversi traversi Powell, 1930 |
Powelliphanta traversi traversi, known as one of the amber snails, is a subspecies of large, carnivorous land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
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[edit] Distribution
This subspecies is endemic to the North Island of New Zealand. It is found on the Horowhenua coastal plain from the Ohau River area northwards to the Manawatu River, and the adjacent foothills of the Tararua Ranges.
[edit] Shell description
The shell is yellow-brown ground colour, with the base spirally lined or banded in darker brown, and the dorsal surface mostly devoid of a colour pattern.
The shell diameter is up to 53 mm, and height up to 27 mm.
[edit] Conservation status
Powelliphanta traversi traversi is classified by the New Zealand Department of Conservation as being Nationally Endangered.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- New Zealand Department of Conservation Threatened Species Classification