Margarella turneri
From Wikipedia, the free encyclopedia
Margarella turneri | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Scientific classification | ||||||||||||||||||
|
||||||||||||||||||
Binomial name | ||||||||||||||||||
Margarella turneri Powell, 1939 |
Margarella turneri is a species of marine gastropod mollusc in the family Trochidae, the top shells.
Contents |
[edit] Distribution
This top shell is endemic to New Zealand's Stewart Island.
[edit] Habitat
It is found on seaweed covered rocks at low tide, but never under kelp holdfasts.
[edit] Shell description
The shell is globose, with little expansion of the last whorl, imperforate, but with a narrow crescentic, callus-filled umbilical depression.
Coloration is purplish-brown or reddish zigzag axial bands, often crossed by several pink spiral lines, the whole on a pinkish-white to creamy ground. The interior of the aperture is greenish iridescent.
The maximum shell height is 8.5 mm, and width 9 mm.
[edit] References
- Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1