Mayena australasia blacki: Difference between revisions
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| Mayena australasia blacki | |
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| Species: | M. australasia
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| Subspecies: | M. australasia blacki
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| Trinomial name | |
| Mayena australasia blacki Powell A W B, 1954
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Mayena australasia blacki is a large subspecies of sea snail, a marine gastropod mollusc in the family Ranellidae, the tritons.
Distribution
This subspecies is endemic to the Otago coast of the South Island of New Zealand.
Habitat
This triton is found at depths of between 110 and 130 m.
Shell description
The shell is very large for the genus, with the spire much taller than the aperture plus the siphonal canal. There are eight or nine peripheral nodes between the varices.
Coloration is pinkish-bufff faintly maculated with light reddish-brown, under a dense pile-like periostracum of lamellae, crowded with short bristles. The aperture and callus are porcellanous-white.
The shell height is up to 118 mm, and the width is up to 59 mm.
References
- Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1