Calliostoma biangulatum
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| Calliostoma biangulatum | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Calliostomatidae |
| Subfamily: | Calliostomatinae |
| Genus: | Calliostoma |
| Species: | †C. biangulatum |
| Binomial name | |
| †Calliostoma biangulatum Landau, Van Dingenen & Ceulemans, 2017 | |
| Synonyms[1] | |
|
Trochus heliciformis Millet, 1865 | |
Calliostoma biangulatum is an extinct species of sea snail, a marine gastropod mollusk, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.[1][2]