Diloma bicanaliculatum
| Diloma bicanaliculatum | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Diloma |
| Species: | D. bicanaliculatum
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| Binomial name | |
| Diloma bicanaliculatum (Dunker, 1844) [1]
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| Synonyms | |
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Diloma bicanaliculatum, common name the knobbed top shell, is a species of small sea snail, a marine gastropod mollusk, in the family Trochidae, the top snails.[2] The size of the shell varies between 10 mm and 20 mm.
Distribution
[edit]This marine shell is endemic to New Zealand and occurs off North Island, South Island and Stewart Island. A subspecies, Diloma bicanaliculata Lenoir, was once used for specimens between Cook Strait and Stewart Island.[3] The subspecies is not listed on the World Register of Marine Species, so it may no longer be valid.[2]
References
[edit]- ^ Dunker in Philippi, Conchyl Cab., p. 202, t. 30, f. 6.
- ^ a b "Diloma bicanaliculatum". WoRMS. World Register of Marine Species. Retrieved 2018-12-20.
- ^ R. C. Willan, B. A. Marshall, F. M. Climo & W. O. Cernohorsky (1980) Rectification of nomenclature for Melagraphia aethiops (Gmelin) and Diloma bicanaliculata (Dunker) (Mollusc: Trochidae) New Zealand Journal of Marine and Freshwater Research, 14:4, 413-415, DOI: 10.1080/00288330.1980.9515885
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- Willan, R.C.; Marshall, B.A.; Climo, F.M.; Cernohorsky, W.O. 1980: Rectification of nomenclature for Melagraphia aethiops (Gmelin) and Diloma bicanaliculata (Dunker) (Mollusca: Trochidae). New Zealand Journal of Marine and Freshwater Research 14: 413–415
- Donald K.M., Kennedy M. & Spencer H.G. (2005) The phylogeny and taxonomy of austral monodontine topshells (Mollusca: Gastropoda: Trochidae), inferred from DNA sequences. Molecular Phylogenetics and Evolution 37: 474-483
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