# Neritopsidae

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".

## Taxonomy
### 2005 taxonomy

This family consists of three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
* Neritopsinae Gray, 1847
* † Naticopsinae Waagen, 1880 - synonym: Hologyridae Kittl, 1899
* † Paffrathiinae Heidelberg, 2001

### 2007 taxonomy

Bandel (2007) have established two new subfamilies. But he recognizes Naticopsinae at family level as Naticopsidae with newly created subfamilies in it.
* Neritopsinae Gray, 1847
* † Paffrathiinae Heidelberg, 2001 - to be clarified if Bandel recognized this family. It is not mentioned in his work Bandel (2007).
* † Cassianopsinae Bandel, 2007
* † Colubrellopsinae Bandel, 2007

## Genera

Genera within the family Neritopsidae include:
The only extant genera are Neritopsis and Pluviostilla from subfamily Neritopsinae.
Subfamily Neritopsinae
* Neritopsis Grateloup, 1832
* Pluviostilla Kase & Kano, 1999
* Genus † Bandelopsis Frýda, Blodgett & Stanley, 2003
** † Bandelopsis oregonensis
* Genus † Byzantia Kosnik, 1997
** † Byzantia obliqua
* Genus † Dahmeria
* Genus † Devononerita
** † Devononerita brevis
** † Devononerita brevispira
** † Devononerita megalacantha
** † Devononerita typica
* Genus † Hungariella
* Genus † Neritoptyx
* Genus † Nuetzelopsis
** † Nuetzelopsis orchardi
** † Nuetzelopsis tozeri
* Genus † Praeturbonitella
** † Praeturbonitella kochi
* Genus † Trachydomia
** † Trachydomia newelli
** † Trachydomia nodosa
** † Trachydomia oweni
** † Trachydomia raymondi
** † Trachydomia turbonitella
** † Trachydomia whitei
* Genus † Trachyspira
* Genus † Turbonitella
** † Turbonitella biserialis
** † Turbonitella fraterna
** † Turbonitella humilis
** † Turbonitella ovoides
** † Turbonitella primula
** † Turbonitella proligera
** † Turbonitella pusilla
** † Turbonitella semisulcatus
** † Turbonitella strialata
** † Turbonitella trunculinoda
** † Turbonitella tuberculata
** † Turbonitella ussheri
* Genus † Wallowiella Frýda, Blodgett & Stanley, 2003
** † Wallowiella vallieri
* Genus † Weitschatopsis Frýda, Blodgett & Stanley, 2003
** † Weitschatopsis pulchra
Subfamily † Naticopsinae
* Genus † Damesia
* Genus † Dicosmos
* Genus † Frombachia
* Genus † Jedria
** † Jedria deckeri
** † Jedria meeki
** † Jedria ventrica
* Genus † Naticopsis McCoy, 1844
* Genus † Pachyomphalus
* Genus † Planospirina
* Genus † Pseudoplagiothyra
** † Pseudoplagiothyra praecursor
* Genus † Vernelia
subfamily † Cassianopsinae - from Late Triassic
* † Cassianopsis Bandel, 2007 - type genus of the subfamily Cassianopsinae
** Cassianopsis armata (Münster, 1841) - synonym: Naticella armata Münster, 1841 - type species
** Cassianopsis decussata (Münster, 1841) - synonyms: Naticella decussata Münster, 1841; Naticella nodulosa Münster, 1841; Naticella cincta Klipstein, 1843; Neritopsis decussata; Palaeonarica cancellata Kittl, 1892; Palaeonarica hologyriformis Blaschke, 1905
* † Zardiniopsis Bandel, 2007
** Zardiniopsis subornata (Münster, 1841) - synonym: Naticella subornata Münster, 1841 - type species
* † Fossariopsis Laube, 1869
** Fossariopsis rugosocarinata (Klipstein, 1843) - type species
subfamily † Colubrellopsinae
* Colubrellopsis Bandel, 2007 - type genus
** Colubrellopsis acuticostata (Klipstein, 1843) - synonym: Naticella acuticostata Klipstein, 1843 - type species
subfamily ?
* † Bipartopsis Gründel, Keupp & Lang, 2015
* † Hayamia Kase, 1980
* † Hayamiella Kase, 1984