Rissoina sagraiana

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Rissoina sagraiana is a very small sea snail in the Rissoinidae family. It is a marine gastropod mollusk, also called a micromollusk because of its tiny size.

Taxonomy:
Kingdom: Animalia; Phylum: Mollusca; Class: Gastropoda; Subclass: Caenogastropoda; Order: Littorinimorpha; Family: Rissoinidae; Genus: Rissoina; Species: Rissoina sagraiana. Scientific name: Rissoina sagraiana d’Orbigny, 1842.

Naming history:
The species was first described by d’Orbigny in 1842. Early spellings appeared in the literature, but the correct name is Rissoina sagraiana d’Orbigny, 1842.

Distribution:
Caribbean Sea, Gulf of Mexico, and Lesser Antilles.

Description:
Shell length can reach up to 5.8 mm.

Habitat:
Found at depths from 0 to 128 meters.