Diloma bicanaliculatum
Species of gastropod
From Wikipedia, the free encyclopedia
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.
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| Diloma bicanaliculatum | |
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Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Diloma |
| Species: | D. bicanaliculatum |
| Binomial name | |
| Diloma bicanaliculatum | |
| Synonyms | |
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Distribution
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]
