Placostylus ambagiosus priscus
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| Placostylus ambagiosus priscus Powell, 1938 |
Placostylus ambagiosus priscus was 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 has been extinct for approximately 2,000 years.
[edit] Distribution
This land snail was endemic to Cape Maria van Diemen in Northland in the North Island of New Zealand.
[edit] Shell description
The shell is tall and narrow with a narrowly oval aperture, having all apertural processes, apart from the parietal tubercle, heavily callused. Shells have been radio-carbon dated to 2140 +-90 years old.
The shell height is up to 81 mm, and width up to 33 mm.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
