| Calliostoma fonki | |
|---|---|
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| Drawing with an apertural view of a shell of Calliostoma fonki | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Calliostomatidae |
| Genus: | Calliostoma |
| Species: | C. fonki |
| Binomial name | |
| Calliostoma fonki | |
| Synonyms | |
| |
Calliostoma fonki is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. [2]
The size of the shell varies between 11 mm and 17 mm. The imperforate, thin shell has a conical shape. it is pale rose colored. The upper whorls are plane, and tricingulate. The upper cingulus is beaded, the second and the third are smooth. The body whorl is obtusely angled and encircled by 5 cinguli. The base of the shell is a little convex, with 6 cinguli. The aperture is quadrangular. The columella is a little oblique, cylindrical, scarcely truncate, but sensibly passing into the base. [3]
This species occurs in the Pacific Ocean between El Salvador and Peru (not in the Galapagos Islands)
Calliostoma canaliculatum, common name the channeled topsnail, is a species of small sea snail with gills and an operculum, a marine gastropod mollusk in the family Calliostomatidae, the calliostoma top snails.
Calliostoma tigris, common name the tiger maurea, is a large species of sea snail, a marine gastropod mollusc in the family Calliostomatidae, the Calliostoma top snails.
Calliostoma allporti, common name the Allport top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma comptum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma fragum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma gualterianum, common name Gualtieri's top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma multiliratum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma ticaonicum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Callumbonella suturalis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Clanculus kraussii is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Trochus ochroleucus, common name the yellow-mouth top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Clanculus scabrosus is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Astele armillata is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Astele rubiginosa is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma adspersum, common name the spotted Brazilian top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma antonii is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma coppingeri is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Calliostoma eximium is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Herpetopoma scabriusculum, common name the rough top shell, is a species of sea snail, a marine gastropod mollusk in the family Chilodontidae.
Dactylastele duplicata is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.