Calliostoma problematicum

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

Calliostoma problematicum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Calliostomatidae
Genus:	Calliostoma
Species:	C. problematicum
Binomial name
Calliostoma problematicum (Kuroda & Habe in Kuroda, Habe & Oyama, 1971)
Synonyms[1]
Tristichotrochus problematicus Kuroda & Habe in Kuroda, Habe & Oyama, 1971

Some authors place this taxon in the subgenus Calliostoma (Tristichotrochus)

Description

The height of the shell attains 15 mm.

Distribution

This marine species occurs off Japan.