Powelliphanta lignaria johnstoni
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| Powelliphanta lignaria johnstoni | ||||||||||||||||
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 A Powelliphanta of unknown species.
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| Powelliphanta lignaria johnstoni Powell, 1946 |
Powelliphanta lignaria johnstoni, 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 only found in a block of mountainous coastal country, isolated by the sea to the west, and by the Mokihinui and Ngakawau rivers.
[edit] Shell description
The shell has conspicuous spirally banded lines in dark reddish-brown upon a light reddish-brown ground above, and a yellowish-olive ground on the under surface. There are no axial stripes.
The shell diameter is up to 45 mm, and height up to 25 mm.
[edit] Conservation status
Powelliphanta lignaria johnstoni 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
