Wainuia urnula
Wainuia urnula is a species of air-breathing predatory land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
| Wainuia urnula | |
|---|---|
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Heterobranchia
clade Euthyneura clade Panpulmonata clade Eupulmonata clade Stylommatophora informal group Sigmurethra |
| Superfamily: | |
| Family: | |
| Genus: | |
| Species: | W. urnula |
| Binomial name | |
| Wainuia urnula (Pfeiffer, 1855) | |
Distribution and Description
This species inhabits the Northern Island in New Zealand[1]. Species is distinctively colorful with a large reddish patch in the umbilicus with the foot being of maroon color. Shells are relatively small when compared to sub fossil shells of the native island.
Feeding habits
Wainuia urnula urnula feeds mainly on amphipods (Parorchestia tenuis) and also on earthworms (4% of samples).[2]
While Wainuia urnula nasuta feeds on amphipods (Parorchestia tenuis) and on earthworms in the same amount.[2]
Life cycle
Dimensions of a group of eggs of Wainuia urnula were: 5 × 4, 5 × 4, 5 × 4, 5 × 3.75, 4.5 × 3.5, 5.25 × 4.25 mm.[3]
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References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- Efford M. G. 2000. Consumption of amphipods by the New Zealand landsnail Wainuia urnula (Pulmonata: Rhytididae). Journal of Molluscan Studies 66: 45–52. abstract
- O'Connor A. C. (June) 1945. Notes on the Eggs of New Zealand Paryphantidae, With Description of a New Subgenus. Transactions of the Royal Society of New Zealand, volume 5, 1945-46, pages 54-57.
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