Placostylus ambagiosus consobrinus
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Placostylus ambagiosus consobrinus | ||||||||||||||||
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Placostylus ambagiosus consobrinus Powell, 1938 |
Placostylus ambagiosus consobrinus is a subspecies of very large, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bulimulidae, the bulimulus snails and their allies.
This subspecies of large land snail is critically endangered.
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[edit] Distribution
This subspecies is endemic to Cape Maria van Diemen in Northland in the North Island of New Zealand. It is found in a similar area to Placostylus ambagiosus worthyi, but is of more recent occurrence.
[edit] Habitat
This subspecies survives in a few places in flax clumps.
[edit] Shell description
The shell is of distinctive shape, the spire being twice the height of the aperture, which is short and D-shaped. The basal lip, columellar and parietal processes are the best developed.
The shell height is up to 86 mm, and the width up to 37 mm.
[edit] Conservation status
Placostylus ambagiosus consobrinus 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