Neritopsidae is a family of small sea snails and freshwater snails in the clade Cycloneritimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The great majority of species within this family are only known as fossils. The few species which are extant are sometimes termed "living fossils".[1]
This family consists of three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
Bandel (2007)[2] have established two new subfamilies. But he recognizes Naticopsinae at family level as Naticopsidae with newly created subfamilies in it.[2]
Genera within the family Neritopsidae include:
The only extant genera are Neritopsis and Pluviostilla from subfamily Neritopsinae.
Subfamily Neritopsinae
Subfamily † Naticopsinae
subfamily † Cassianopsinae - from Late Triassic[2]
subfamily † Colubrellopsinae
subfamily ?