Steromphala rarilineata

Steromphala rarilineata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.^[1]

Steromphala rarilineata
Several views of a shell of Steromphala rarilineata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Trochidae
Subfamily:	Cantharidinae
Genus:	Steromphala
Species:	S. rarilineata
Binomial name
Steromphala rarilineata (Michaud, 1829)
Synonyms
Gibbula divaricata var. rarilineata (Michaud, 1829) Gibbula purpurata Brusina, 1865 Gibbula rarilineata var. crimeana Anistratenko & Starobogatov, 1991 Gibbula rarilineata var. pulchella Pallary 1919 Steromphala crimeana Anistratenko & Starobogatov, 1991 Trochus cossurensis Monterosato, 1875 (synonym) Trochus rarilineatus Michaud, 1829 (original description)

Description

The size of the shell varies between 8 mm and 14 mm. The shell diverges from Gibbula divaricata by being smaller, and more conical, and having an angulate periphery and a flattened base.^[2]

Distribution

Steromphala rarilineata is found in relatively warm European waters off the coast of Spain, Greece, and Portugal; in the Black Sea off Ukraine; in the Atlantic Ocean off the Azores and the Canary Islands.^[1]