Two shells of the freshwater nerite Theodoxus danubialis, scale bar in mm
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Neritimorpha

clade Cycloneritimorpha

Superfamily: Neritoidea
Family: Neritidae
Rafinesque, 1815
About 110 freshwater speciesUNIQ96d8d68f1d79f60a-nowiki-00000001-QINU1UNIQ96d8d68f1d79f60a-nowiki-00000002-QINU some brackish water species and some fully marine species

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, marine, brackish water and freshwater gastropod mollusks in the order Neritoida.

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.

The common name "nerite" as well as the family name Neritidae and the genus name Nerita, are derived from the name of Nerites, who was a sea god in Greek mythology.


This family consists of the five following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

  • Neritinae Rafinesque, 1815 - synonyms: Neritellinae Gray, 1847; Proto neritidae Kittl, 1899
  • Neritariinae Wenz, 1938
  • Neritininae Poey, 1852
    • tribe Neritinini Poey, 1852 - synonyms: Catilinae Gray, 1868; Orthopomatini Gray, 1868; Stenopomatini Gray, 1868; Septariini Jousseaume, 1894
    • tribe Theodoxini Bandel, 2001[2]
  • Smaragdiinae H. B. Baker, 1923
  • Velatinae Bandel, 2001[2]


Genera, subgenera and species within the family Neritidae include:[3]

Subfamily Neritinae

  • Genus Bathynerita Clarke, 1989
  • Genus Nerita Linnaeus, 1758 - type genus
    • Subgenus Adenerita
    • Subgenus Amphinerita
    • Subgenus Cymostyla
    • Subgenus Heminerita
    • Subgenus Ilynerita
    • Subgenus Linnerita
    • Subgenus Melanerita Martens, 1889
    • Subgenus Mienerita
    • Subgenus Nerita
    • Subgenus Ritena
    • Subgenus Theliostyla

† Neritariinae

  • Neritaria Koken, 1892

tribe Neritinini

  • Genus Neritina Rafinesque, 1815
    • Subgenus Dostia
    • Subgenus Neritina
    • Subgenus Vittina
  • Genus Turrita Wagner, 1897
      • Species Turrita vittata
  • Genus Vitta Mörch, 1852
      • Species Vitta luteofasciatus
  • Genus Septaria Férussac, 1807[4]

tribe Theodoxini

  • Genus Clithon Montfort, 1810
  • Genus Clypeolum Récluz, 1842
    • Species Clypeolum auriculatum
    • Species Clypeolum granosum
    • Species Clypeolum latissimum
  • Genus Fluvinerita Pilsbry, 1932[2]
    • Species Fluvinerita tenebricosa
  • Genus Neripteron Lesson, 1831
    • Species Neripteron granosus
    • Species Neripteron guerinii
  • Genus Neritodryas Martens, 1869
    • Species Neritodryas cornea
    • Species Neritodryas dubia
    • Species Neritodryas subsulcata
  • Genus Puperita Gray, 1857[5]
  • Genus Theodoxus Montfort, 1810

Subfamily Smaragdiinae

  • Genus Gaillardotia Bourguignat, 1877
  • Genus Magadis Melvill & Standen, 1899
  • Genus Pisulina Nevill, 1869
    • Species Pisulina adamsiana
  • Genus Smaragdella Baker, 1923
  • Genus Smaragdia Issel, 1869[6]
  • Genus Smaragoista

† Velatinae

  • Velates Montfort, 1810


External links

  • National Center for Biotechnology Information (NCBI)
  • photos of various nerites shells
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