Powelliphanta rossiana fletcheri: Difference between revisions
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[[Category:Molluscs of New Zealand]] |
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Revision as of 12:45, 3 January 2007
| Powelliphanta rossiana fletcheri | |
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| A Powelliphanta of unknown species. | |
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| Species: | P. rossiana fletcheri
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| Powelliphanta rossiana fletcheri Powell, 1938
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Powelliphanta rossiana fletcheri is a rare terrestrial mollusc in the family Rhytididae, endemic to the South Island of New Zealand. It is found at altitudes of between 3,000 and 4,000 ft on the eastern side of Lake Kaniere in Westland in the South Island.
The shell has a much flatter spire than in other Powelliphanta rossiana subspecies, equally smooth and glossy, but with a more open umbilicus. Coloration is russet-brown, with widely spaced, broad, dark sepia axial stripes.
Major diameter is up to 36 mm, and height up to 20 mm.
Powelliphanta rossiana fletcheri is classified by the New Zealand Department of Conservation as being Range Restricted.
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