Neritina n. : A genus including numerous species of shells resembling Nerita in form. They mostly inhabit brackish water, and are often delicately tinted.

Example:
Does anyone know where to find a live nerite snail that goes by Neritina (Vittina) communis, or candy nerite?

Taxonomy
Neritina, Wood, free encyclopedia, genus Neritina, Species, family Neritidae, Linnaeus, 1758, olive, Neritina natalensis, search, Kingdom, Phylum, Lamarck, sea snails, synonyms, Neritina reclivata, Neritina tiassalensis, 1940.

Defination from the web:
Neritina. Lamarck, 1816. Neritina is a taxonomic genus of small sea snails with an operculum. ... genus Neritina include[1]: Neritina cariosa (Wood, 1828) = Neritina (Theodoxus) cariosa (Wood, 1828) - synonyms: Theodoxus cariosus (Wood, 1828), Theodoxus cariosa[2] Neritina clenchi ...