Montfortula rugosa: Difference between revisions
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Revision as of 09:26, 18 November 2007
| Montfortula rugosa | |
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| Species: | M. rugosa
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| Binomial name | |
| Montfortula rugosa | |
| Synonyms | |
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Emarginula rugosa Quoy and Gaimard, 1834 | |
Montfortula rugosa is a species of keyhole limpet, a marine gastropod mollusc in the family Fissurellidae.
Distribution
This species is endemic to southern Australia from Western Australia to New South Wales, and New Zealand, on the Kaikoura coast of the South Island, and the Chatham Islands.
Habitat
This keyhole limpet is found under stones in mid-tidal rock pools.
Shell description
The shell is small, oval, conical, with prominent primary radials and secondary radials in the interspaces, the whole crossed by concentric ridges, forming scales at points of intersection.
External coloration is dull white, and internally a porcellaneous white except for the spatula which is greenish, edged with brown. Sometimes the whole of the interior is greenish.
The shell height is up to 7.5 mm, and length 19.5 mm.
References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1