Clanculus ringens
Species of gastropod
From Wikipedia, the free encyclopedia
Clanculus ringens, common name the ringent clanculus, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]
| Clanculus ringens | |
|---|---|
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| Drawing showing two views of a shell of Clanculus ringens | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Trochidae |
| Genus: | Clanculus |
| Species: | C. ringens |
| Binomial name | |
| Clanculus ringens (Menke, 1843) | |
| Synonyms | |
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Description
The size of the shell varies between 8 mm and 13 mm. The perforate shell has a conical shape and contains 7 whorls. The first whorl is smooth, yellowish; the following whorls are planulate, separated by canalicidate sutures. They are maculate with chestnut and white. They are spirally cingulate above with 4 elegantly granulate ridges, the upper and lower the larger. The body whorl is acutely carinated. The base of the shell is slightly convex, ornamented with 8 to 9 granose cinguli . The oblique aperture is rhomboidal and narrow. The basal margin is sulcate-denticulate. The oblique columella is strong and terminates below in a large tooth, ringent above. The columella is callous, ringent, and plicate.[2]
Distribution
This marine species is endemic to Australia and occurs off South Australia and Western Australia.