Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. The family Neritidae includes marine genera such as Nerita, marine and freshwater genera such as Neritina, and freshwater and brackish water genera such as Theodoxus.
Cecilioides is a genus of very small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Ferussaciidae.
Helicostyla is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicostylinae of the family Camaenidae. Helicostyla is the type genus of the subfamily Helicostylinae.
Neritina, is a genus of small aquatic snails with an operculum in the family Neritidae, the nerites. They are as well marine, as brackish water, and sometimes freshwater gastropod mollusks
Theodoxus is a genus of nerites, small water snails with an operculum, some of which live in freshwater, and some in both freshwater and brackish water, aquatic gastropod mollusks in the family Neritidae, the nerites.
Polinices is a genus of predatory sea snails, marine gastropod molluscs in the subfamily Polinicinae of the family Naticidae, commonly known as moon snails.
Nerita is a genus of medium-sized to small sea snails with a gill and an operculum, marine gastropod molluscs in the subfamily Neritinae of the family Neritidae, the nerites.
Clithon is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites.
Nereina punctulata is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
Neritilia succinea is a species of submarine cave snail, a marine gastropod mollusc in the family Neritiliidae.
Septaria porcellana borbonica is a subspecies of freshwater snail, a gastropod mollusk in the family Neritidae.
Sinum is a genus of predatory sea snails, marine gastropod mollusks in the subfamily Sininae of the family Naticidae, the moon snails.
Neritodryas is a genus of freshwater snails, ; they are gastropod mollusks in the family Neritidae, the nerites.
Theodoxus anatolicus is a species of a freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.
Septaria porcellana is a species of freshwater snail, a gastropod mollusk in the family Neritidae.
Neripteron is a genus of brackish water and freshwater snails, an aquatic gastropod mollusks in the subfamily Neritininae of the family Neritidae, the nerites.
Vittina is a genus of brackish water and freshwater snails with an operculum, aquatic gastropod mollusks in the subfamily Neritininae of the family Neritidae, the nerites.
Clypeolum is a genus of freshwater snails or brackish snails that have an operculum, aquatic gastropod molluscs in the family Neritidae, the nerites.
Vitta is a genus of brackish water and freshwater snails, an aquatic gastropod mollusks in the subfamily Neritininae of the family Neritidae, the nerites.
