Enidae

In this family, the number of haploid chromosomes lies between 21 and 25 (according to the values in this table).^[2]

1998 taxonomy

The following subfamilies of Enidae are based on work by Schileyko (1998)^[3] and they are in use mainly by Russian malacologists:^[4]

• subfamily Pseudonapaeinae
• subfamily Chondrulopsininae
• subfamily Merdigerinae
• subfamily Buliminusinae
• subfamily Andronakiinae
• subfamily Retowskiinae
• subfamily Eninae - including Chondrula
• subfamily Multidentulini

2005 taxonomy

The following two subfamilies have been recognized in the taxonomy of Bouchet & Rocroi (2005):

• subfamily Eninae B. B. Woodward, 1903 (1880)
  • tribus Enini B. B. Woodward, 1903 (1880) - synonyms: Napaeinae A. J. Wagner, 1928; Jaminiinae Thiele, 1931; Pseudonapaeinae Schileyko, 1978; Retowskiinae Schileyko, 1978; Andronakiinae Schileyko, 1998
  • tribus Chondrulini Wenz, 1923
  • tribus Multidentulini Schileyko, 1978 - synonyms: Chondrulopsininae Schileyko, 1978; Merdigerinae Schileyko, 1984; Euchondrinae Schileyko, 1998
• subfamily Buliminusinae Kobelt, 1880 - synonym Buliminidae Pfeiffer, 1879

Genera within the family Enidae include:

subfamilia Eninae

• Boninena Habe, 1956

either in Enini or in Chondrulini^{[clarification needed]}

• Brephulopsis Lindholm, 1925^[4]
• Caucasicola Hesse, 1917^[4]
• Chondrus Cuvier, 1817^[4]
• Georginapaeus Schileyko, 1988^[4]
• Peristoma Krynicki, 1833^[4]
• Ramusculus Lindholm, 1925^[4]
• Thoanteus Lindholm, 1925^[4]
• tribus Enini
  • Akramowskiella Schileyko, 1984^[4]
  • Andronakia Lindholm, 1914^[4]
  • Apoecus Möllendorff, 1902
  • Ayna Páll-Gergely, 2009^[5]
  • Clausilioides Lindholm, 1925^[4]
  • Differena Schileyko, 1984^[4]
  • Ena Turton, 1831^[4] - type genus of the family Enidae
  • Geminula Lindholm, 1925^[4]
  • Imparietula Lindholm, 1925^[4]
  • Jaminia Risso, 1826
  • Laevozebrinus Lindholm, 1925^[4]
  • Ljudmilena Schileyko, 1984^[4]
  • Mastoides Westerlund, 1896^[4][6]
  • Megalena Hausdorf, 1999^[7] There is only one species Megalena crassa (Retowski, 1887) in the genus Megalena.
  • Mirus Albers, 1850
  • Napaeus Albers, 1850
  • Napaeopsis Sturany & Wagner, 1914^[8]
  • Ottorosenia Muratov, 1992^[4]
  • Petraeomastus Möllendorff, 1901
  • Pseudochondrula Hesse, 1933^[4]
  • Pseudonapaeus Westerlund, 1887^[4]
  • Retowskia O. Boettger, 1881^[4]
  • Subzebrinus Westerlund, 1887^[4]
  • Turanena Lindholm, 1922^[4]
• tribus Chondrulini
  • Chondrula Beck, 1837^[4] - type genus of the tribe Chondrulini
  • Leucomastus Wagner, 1928^[9]
  • Mastus Beck, 1837
  • Meijeriella Bank, 1985^[10]
  • Rhabdoena Kobelt & Möllendorff, 1902^[11]
  • Zebrina Held, 1837^[4]
• tribus Multidentulini
  • Chondrulopsina Lindholm, 1925^[4]
  • Euchondrus Boettger, 1883^[4]
  • Improvisa Schileyko, 1978^[4]
  • Multidentula Lindholm, 1925
  • Merdigera Held, 1837^[4]
  • Pentadentula Suvorov, 2006^[4]
  • Senaridenta Schileyko, 1978^[4]
  • Siraphoroides Schileyko, 1977^[4]

subfamily Buliminusinae

• Buliminus Beck, 1837^[4] - type genus of the subfamily Buliminusinae
• Cyrenaeus Heller, 1971
• Mordania Bank & Neubert, 1998
• Paramastus Hesse, 1933
• Pene Pallary, 1929

subfamily ?

• † Balearena Altaba, 2007^[12] - type species † Balearena gymnesica Altaba, 2007^[12]
• Luchuena Habe, 1956