Lissotestella cookiana
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| Lissotestella cookiana | ||||||||||||||||||
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| Lissotestella cookiana Dell, 1956 |
Lissotestella cookiana is a species of minute sea snail, a marine gastropod mollusc in the family Cyclostrematidae.
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[edit] Distribution
This species is endemic to New Zealand, found in Cook Strait.
[edit] Habitat
This snail is found at depths of about 105 m.
[edit] Shell description
The shell is very small, white, similar to Lissotestella rissoaformis in its elevated-conic shape, but with less inflated whorls, and different sculpture; the spire-whorls are smooth, and the sculpture is confined to three fine spiral lirations on the upper base, and four stronger spirals within the umbilicus, which has a ridge margined outer edge.
The shell height is up to 1.23 mm, and the width is up to 1 mm.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
