Calliostoma irisans

Calliostoma irisans is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.[1]

Calliostoma irisans
Original drawing of a shell of Calliostoma irisans
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Calliostoma
Species:
C. irisans
Binomial name
Calliostoma irisans
Strebel, 1905

Description

The height of the shell attains 11 mm. The whitish shell is strongly iridescent, with mainly a purple hue. The 5¾ whorls are barely concave, with the exception of the body whorl. Only the first and the second whorl are granulated.[2]

Distribution

This marine species occurs off Argentina, the Falkland Islands and the Strait of Magellan

References

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