Conjectura atypica
From Wikipedia, the free encyclopedia
Conjectura atypica | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Scientific classification | ||||||||||||||||||
|
||||||||||||||||||
Binomial name | ||||||||||||||||||
Conjectura atypica Powell, 1937 |
Conjectura atypica is a very small sea snail or micromollusc, a marine gastropod mollusc in the family Cyclostrematidae.
Contents |
[edit] Distribution
This species is endemic to New Zealand's Three Kings Islands.
[edit] Habitat
This snail is found at depths of about 260 m.
[edit] Shell description
The shell is very small, solid, white and glossy, elongate-turbinate, having angulated upper whorls, and a narrow crescentic umbilicus. The protoconch is planorbid of one and a half smooth whorls, slightly sunken, giving a broad flattened appearance to the apex. The surface is smooth, except for two weak ridges that border the umbilicus.
Height is up to 1.8 mm, and the width is up to 1.7 mm.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1