Calliostoma
genus of molluscs
(Redirected from Top shell)
The Top shells (which are called Calliostoma) are marine gastropod molluscs. They can be found world-wide. The name of this genus is derived from the Greek words kallos (beautiful) and stoma (mouth), referring to the pearly aperture.
| Calliostoma | |
|---|---|
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| The shell of Calliostoma selectum | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| (unranked): | clade Vetigastropoda
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| Superfamily: | |
| Family: | Thiele, J., 1924
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| Genus: | Calliostoma Swainson, 1840
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