Patelloida
From Wikipedia, the free encyclopedia
| Patelloida | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scientific classification | ||||||||||||||
|
||||||||||||||
| Species | ||||||||||||||
|
See text. |
Patelloida is a genus of true sea snails or limpets, marine gastropod molluscs in the family Acmaeidae, the true limpets.
Contents |
[edit] Distribution
This genus is endemic to New Zealand, Australia, and Japan.
[edit] Description
Patelloida shells are thick, with prominent radial ribs, variously shaped, but mostly flat and broadly ovate, porcellaneous, opaque, predominantly white, but the internal margin and the muscle attachment mark on the underside of the shell are usually dark.
The radula has two anterior centrals with broad recurved cusps, two laterals posterior to these on each side, the inner with broad recurved cusps, the outer smaller, and two small marginals on each side.
[edit] Species
- Patelloida corticata (Hutton, 1880)
- Patelloida pustulata (Helbling, 1779) - spotted limpet
[edit] References
- Patelloida (TSN 69737). Integrated Taxonomic Information System.
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
