Eurytrochus affinis

Eurytrochus affinis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.^[1][2] The size of the shell varies between 3 mm and 9 mm. This marine shell occurs off the Ryukyus, Japan, Taiwan and the Philippines

Eurytrochus affinis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Trochidae
Genus:	Eurytrochus
Species:	E. affinis
Binomial name
Eurytrochus affinis (Garrett, 1872)
Synonyms
Clanculus cognatus (Pilsbry, 1903) Eurytrochus affinis cognatus (Pilsbry, 1903) Eurytrochus cognatus (Pilsbry, 1903) Gibbula (Eurytrochus) affinis Garrett, 1872 Gibbula affinis Garrett, 1872 Gibbula affinis var. cognata Pilsbry, 1903