Powelliphanta rossiana gagei
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 A Powelliphanta of unknown species.
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| Powelliphanta rossiana gagei Powell, 1938 |
Powelliphanta rossiana gagei is a rare terrestrial mollusc in the family Rhytididae, endemic to the South Island of New Zealand. It is found at altitudes of between 2,500 and 3,500 ft on the hills to the east of Greymouth and Reefton in Westland in the South Island.
The shell is similar in shape and coloration to Powelliphanta rossiana fletcheri but reaches a larger adult size, and has dense fine irregular striations on the dorsal surface.
Major diameter is up to 42 mm, and height up to 24 mm.
Powelliphanta rossiana gagei is classified by the New Zealand Department of Conservation as being Nationally Critical.
[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
