Powelliphanta hochstetteri bicolor
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Powelliphanta hochstetteri bicolor | ||||||||||||||||
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A Powelliphanta of unknown species.
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Scientific classification | ||||||||||||||||
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Trinomial name | ||||||||||||||||
Powelliphanta hochstetteri bicolor Powell, 1938 |
Powelliphanta hochstetteri bicolor, 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 South Island of New Zealand. It is found only in the eastern Marlborough Sounds including the islands.
[edit] Shell description
The shell coloration is light yellowish-olive, with a few irregular brown spiral bands at the periphery. The base is free of spirals but there is always a small circular zone of dark chocolate coloration in and surrounding the umbilicus.
The major shell diameter is up to 67 mm, and height up to 32 mm.
[edit] Conservation status
Powelliphanta hochstetteri bicolor is classified by the New Zealand Department of Conservation as being in Gradual Decline.
[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