Rhytida
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Rhytida is a genus of small to medium-large, air-breathing, predatory land snails, terrestrial pulmonate gastropod molluscs in the eponymous family Rhytididae.
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[edit] Distribution
This genus is endemic to New Zealand; the species within this genus are widely distributed throughout New Zealand, from the Three Kings Islands to Stewart Island.
[edit] Shell description
These land snails have very thin shells, but these are reinforced with calcareous material, the opposite of the genus Wainuia.
The eggs are small, roundly ovate and calcareous.
[edit] Species
- Rhytida australis Hutton, 1883 Stewart Island
- Rhytida citrina Hutton, 1883 South Island
- Rhytida greenwoodi greenwoodi (Gray, 1950) North Island
- Rhytida greenwoodi stephenensis Powell, 1930 Stephens Island, Cook Strait
- Rhytida greenwoodi webbi Powell, 1949 South Island
- Rhytida meesoni meesoni Suter, 1891 South Island
- Rhytida meesoni perampla Powell, 1946 South Island
- Rhytida oconnori Powell, 1946 South Island
- Rhytida otagoensis Powell, 1930 South Island
- Rhytida patula Hutton, 1883 South Island
[edit] References
- Checklist of New Zealand Mollusca
- Powell A. W. B., New Zealand Mollusca William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1
