Family Ovulidae : 8 Genus or Subfamily
 1/8  Subfamily Aclyvolvinae : 1 Genus 
   1/1  Genus Aclyvolva : 4 Species 
     1/4 Aclyvolva coarctata
     2/4 Aclyvolva granularis
     3/4 Aclyvolva lanceolata
     4/4 Aclyvolva rubracarinata
 2/8  Subfamily Cypraediinae : 1 Tribe 
   1/1  Tribe Pseudocypraeini : 2 Genus 
     1/2  Genus Jenneria : 1 Species 
       1/1 Jenneria pustulata
     2/2  Genus Pseudocypraea : 3 Species 
       1/3 Pseudocypraea adamsonii
       2/3 Pseudocypraea alexhuberti
       3/3 Pseudocypraea exquisita
 3/8  Genus Kuroshiovolva : 2 Species 
   1/2 Kuroshiovolva lacanientae
   2/2 Kuroshiovolva shingoi
 4/8  Subfamily Ovulinae : 7 Genus 
   1/7  Genus Calcarovula : 6 Species 
     1/6 Calcarovula arthritica
     2/6 Calcarovula gracillima
     3/6 Calcarovula ildiko
     4/6 Calcarovula longirostrata
     5/6 Calcarovula mikado
     6/6 Calcarovula piragua
   2/7  Genus Kurodaovula : 1 Species 
     1/1 Kurodaovula wakayamaensis
   3/7  Genus Ovula : 3 Species 
     1/3 Ovula costellata
     2/3 Ovula isibasii
     3/3 Ovula ovum
   4/7  Genus Pellasimnia : 7 Species 
     1/7 Pellasimnia angasi
     2/7 Pellasimnia annabelae
     3/7 Pellasimnia brunneiterma
     4/7 Pellasimnia cleaveri
     5/7 Pellasimnia hochmuthi
     6/7 Pellasimnia improcera
     7/7 Pellasimnia mcoyi
   5/7  Genus Phenacovolva : 23 Species 
     1/23 Phenacovolva aurantia
     2/23 Phenacovolva barbieri
     3/23 Phenacovolva brevirostris
     4/23 Phenacovolva clenchi
     5/23 Phenacovolva dancei
     6/23 Phenacovolva fusula
     7/23 Phenacovolva insculpta
     8/23 Phenacovolva lahainaensis
     9/23 Phenacovolva lenoreae
     10/23 Phenacovolva morrisoni
     11/23 Phenacovolva nectarea
     12/23 Phenacovolva parvita
     13/23 Phenacovolva patriciae
     14/23 Phenacovolva philippinarum
     15/23 Phenacovolva poppei
     16/23 Phenacovolva pseudogracilis
     17/23 Phenacovolva recurva
     18/23 Phenacovolva rehderi
     19/23 Phenacovolva rosea
     20/23 Phenacovolva schmidi
     21/23 Phenacovolva subreflexa
     22/23 Phenacovolva tayloriana
     23/23 Phenacovolva zuidafrikaana
   6/7  Genus Takasagovolva : 2 Species 
     1/2 Takasagovolva gigantea
     2/2 Takasagovolva honkakujiana
   7/7  Genus Volva : 5 Species 
     1/5 Volva cumulata
     2/5 Volva habei
     3/5 Volva kilburni
     4/5 Volva striata
     5/5 Volva volva
 5/8  Subfamily Pediculariinae : 3 Genus 
   1/3  Genus Lunovula : 6 Species 
     1/6 Lunovula boucheti
     2/6 Lunovula cancellata
     3/6 Lunovula finleyi
     4/6 Lunovula serrata
     5/6 Lunovula superstes
     6/6 Lunovula supingae
   2/3  Genus Pedicularia : 14 Species 
     1/14 Pedicularia californica
     2/14 Pedicularia ciliai
     3/14 Pedicularia dautzenbergi
     4/14 Pedicularia decurvata
     5/14 Pedicularia decussata
     6/14 Pedicularia elegantissima
     7/14 Pedicularia granulata
     8/14 Pedicularia japonica
     9/14 Pedicularia morrisoni
     10/14 Pedicularia pacifica
     11/14 Pedicularia sicula
     12/14 Pedicularia subtilis
     13/14 Pedicularia tibia
     14/14 Pedicularia vanderlandi
   3/3  Genus Pedicypraedia : 1 Species 
     1/1 Pedicypraedia atlantica
 6/8  Subfamily Prionovolvinae : 24 Genus 
   1/24  Genus Amonovula : 1 Species 
     1/1 Amonovula piriei
   2/24  Genus Archivolva : 5 Species 
     1/5 Archivolva alexbrownii
     2/5 Archivolva cheripoda
     3/5 Archivolva clava
     4/5 Archivolva kahlbrocki
     5/5 Archivolva lissenungensis
   3/24  Genus Calpurnus : 1 Species 
     1/1 Calpurnus verrucosus
   4/24  Genus Carpiscula : 4 Species 
     1/4 Carpiscula bullata
     2/4 Carpiscula galearis
     3/4 Carpiscula procera
     4/4 Carpiscula virginiae
   5/24  Genus Contrasimnia : 3 Species 
     1/3 Contrasimnia formosana
     2/3 Contrasimnia pagoda
     3/3 Contrasimnia xanthochila
   6/24  Genus Crenavolva : 19 Species 
     1/19 Crenavolva aureola
     2/19 Crenavolva chiapponii
     3/19 Crenavolva cruenta
     4/19 Crenavolva frumentum
     5/19 Crenavolva grovesi
     6/19 Crenavolva guidoi
     7/19 Crenavolva janae
     8/19 Crenavolva leopardus
     9/19 Crenavolva marmorata
     10/19 Crenavolva martini
     11/19 Crenavolva matsumiyai
     12/19 Crenavolva nanshaensis
     13/19 Crenavolva philippei
     14/19 Crenavolva striatula
     15/19 Crenavolva tinctura
     16/19 Crenavolva tokuoi
     17/19 Crenavolva traillii
     18/19 Crenavolva virgo
     19/19 Crenavolva vitrea
   7/24  Genus Cuspivolva : 17 Species 
     1/17 Cuspivolva allynsmithi
     2/17 Cuspivolva bellica
     3/17 Cuspivolva celzardi
     4/17 Cuspivolva cuspis
     5/17 Cuspivolva draperi
     6/17 Cuspivolva habui
     7/17 Cuspivolva heleneae
     8/17 Cuspivolva howlandae
     9/17 Cuspivolva mucronata
     10/17 Cuspivolva ostheimerae
     11/17 Cuspivolva paulwatsoni
     12/17 Cuspivolva platysia
     13/17 Cuspivolva pulcherrima
     14/17 Cuspivolva queenslandica
     15/17 Cuspivolva singaporica
     16/17 Cuspivolva singularis
     17/17 Cuspivolva tigris
   8/24  Genus Dentiovula : 13 Species 
     1/13 Dentiovula azumai
     2/13 Dentiovula colobica
     3/13 Dentiovula deforgesi
     4/13 Dentiovula dorsuosa
     5/13 Dentiovula eizoi
     6/13 Dentiovula horai
     7/13 Dentiovula lorenzi
     8/13 Dentiovula mariae
     9/13 Dentiovula masaoi
     10/13 Dentiovula nix
     11/13 Dentiovula oryza
     12/13 Dentiovula parvita
     13/13 Dentiovula rutherfordiana
   9/24  Genus Diminovula : 20 Species 
     1/20 Diminovula aboriginea
     2/20 Diminovula alabaster
     3/20 Diminovula aurantiomacula
     4/20 Diminovula bilineata
     5/20 Diminovula caledonica
     6/20 Diminovula concinna
     7/20 Diminovula coroniola
     8/20 Diminovula culmen
     9/20 Diminovula dautzenbergi
     10/20 Diminovula fainzilberi
     11/20 Diminovula incisa
     12/20 Diminovula kosugei
     13/20 Diminovula margarita
     14/20 Diminovula mozambiquensis
     15/20 Diminovula nielseni
     16/20 Diminovula punctata
     17/20 Diminovula rosadoi
     18/20 Diminovula sandrae
     19/20 Diminovula stigma
     20/20 Diminovula whitworthi
   10/24  Genus Globovula : 2 Species 
     1/2 Globovula cavanaghi
     2/2 Globovula sphaera
   11/24  Genus Habuprionovolva : 4 Species 
     1/4 Habuprionovolva aenigma
     2/4 Habuprionovolva basilia
     3/4 Habuprionovolva hervieri
     4/4 Habuprionovolva umbilicata
   12/24  Genus Hiatavolva : 1 Species 
     1/1 Hiatavolva depressa
   13/24  Genus Lacrima : 1 Species 
     1/1 Lacrima lacrima
   14/24  Genus Margovula : 8 Species 
     1/8 Margovula anulata
     2/8 Margovula bimaculata
     3/8 Margovula crawfordcatei
     4/8 Margovula marginata
     5/8 Margovula montorum
     6/8 Margovula pyriformis
     7/8 Margovula somaliensis
     8/8 Margovula translineata
   15/24  Genus Naviculavolva : 6 Species 
     1/6 Naviculavolva debelius
     2/6 Naviculavolva deflexa
     3/6 Naviculavolva elegans
     4/6 Naviculavolva kurziana
     5/6 Naviculavolva malaita
     6/6 Naviculavolva massierorum
   16/24  Genus Primovula : 12 Species 
     1/12 Primovula astra
     2/12 Primovula beckeri
     3/12 Primovula eilatensis
     4/12 Primovula formosa
     5/12 Primovula fulguris
     6/12 Primovula panthera
     7/12 Primovula roseomaculata
     8/12 Primovula rosewateri
     9/12 Primovula santacarolinensis
     10/12 Primovula tadashigei
     11/12 Primovula tropica
     12/12 Primovula uvula
   17/24  Genus Prionovolva : 3 Species 
     1/3 Prionovolva brevis
     2/3 Prionovolva choshiensis
     3/3 Prionovolva melonis
   18/24  Genus Procalpurnus : 2 Species 
     1/2 Procalpurnus lacteus
     2/2 Procalpurnus semistriatus
   19/24  Genus Prosimnia : 5 Species 
     1/5 Prosimnia boshuensis
     2/5 Prosimnia draconis
     3/5 Prosimnia hepcae
     4/5 Prosimnia korkosi
     5/5 Prosimnia semperi
   20/24  Genus Pseudosimnia : 14 Species 
     1/14 Pseudosimnia adriatica
     2/14 Pseudosimnia alisonae
     3/14 Pseudosimnia carnea
     4/14 Pseudosimnia diaphana
     5/14 Pseudosimnia flava
     6/14 Pseudosimnia jeanae
     7/14 Pseudosimnia juanjosensii
     8/14 Pseudosimnia lacrima
     9/14 Pseudosimnia minima
     10/14 Pseudosimnia nudelmani
     11/14 Pseudosimnia pyrulina
     12/14 Pseudosimnia shikamai
     13/14 Pseudosimnia vanhyningi
     14/14 Pseudosimnia wieseorum
   21/24  Genus Rotaovula : 2 Species 
     1/2 Rotaovula hirohitoi
     2/2 Rotaovula septemmacula
   22/24  Genus Sandalia : 2 Species 
     1/2 Sandalia meyeriana
     2/2 Sandalia triticea
   23/24  Genus Serratovolva : 3 Species 
     1/3 Serratovolva dondani
     2/3 Serratovolva luteocincta
     3/3 Serratovolva minabeensis
   24/24  Genus Testudovolva : 7 Species 
     1/7 Testudovolva ericae
     2/7 Testudovolva freemani
     3/7 Testudovolva intricata
     4/7 Testudovolva nebula
     5/7 Testudovolva nipponensis
     6/7 Testudovolva orientis
     7/7 Testudovolva pulchella
 7/8  Genus Quasisimnia : 2 Species 
   1/2 Quasisimnia hirasei
   2/2 Quasisimnia robertsoni
 8/8  Subfamily Simniinae : 6 Genus 
   1/6  Genus Cymbovula : 2 Species 
     1/2 Cymbovula acicularis
     2/2 Cymbovula bebae
   2/6  Genus Cyphoma : 14 Species 
     1/14 Cyphoma arturi
     2/14 Cyphoma aureocinctum
     3/14 Cyphoma cassidyae
     4/14 Cyphoma christahemmenae
     5/14 Cyphoma eludens
     6/14 Cyphoma emarginatum
     7/14 Cyphoma gibbosum
     8/14 Cyphoma guerrinii
     9/14 Cyphoma intermedium
     10/14 Cyphoma mcgintyi
     11/14 Cyphoma rhomba
     12/14 Cyphoma sedlaki
     13/14 Cyphoma signatum
     14/14 Cyphoma versicolor
   3/6  Genus Dissona : 3 Species 
     1/3 Dissona reflexa
     2/3 Dissona tarasconii
     3/3 Dissona tosaensis
   4/6  Genus Simnia : 13 Species 
     1/13 Simnia arcuata
     2/13 Simnia avena
     3/13 Simnia barbarensis
     4/13 Simnia bartschi
     5/13 Simnia bijuri
     6/13 Simnia hammesi
     7/13 Simnia loebbeckeana
     8/13 Simnia macleani
     9/13 Simnia pliomajor
     10/13 Simnia quaylei
     11/13 Simnia sculptura
     12/13 Simnia senegalensis
     13/13 Simnia spelta
   5/6  Genus Simnialena : 6 Species 
     1/6 Simnialena acuminata
     2/6 Simnialena formicaria
     3/6 Simnialena ilhabelaensis
     4/6 Simnialena paita
     5/6 Simnialena rufa
     6/6 Simnialena uniplicata
   6/6  Genus Xandarovula : 6 Species 
     1/6 Xandarovula aetheria
     2/6 Xandarovula aperta
     3/6 Xandarovula hiscocki
     4/6 Xandarovula hyalina
     5/6 Xandarovula jacintoi
     6/6 Xandarovula patula
279 Species in Ovulidae 

(Extracted from WoRMS on October 2025)
NB: status "accepted" and "extant, not fossile-only"