Family Olividae : 6 Subfamily
 1/6  Subfamily Agaroniinae : 1 Genus 
   1/1  Genus Agaronia : 24 Species 
     1/24 Agaronia acuminata
     2/24 Agaronia adamii
     3/24 Agaronia ancillarioides
     4/24 Agaronia annotata
     5/24 Agaronia bernardi
     6/24 Agaronia biraghii
     7/24 Agaronia gibbosa
     8/24 Agaronia griseoalba
     9/24 Agaronia hiatula
     10/24 Agaronia hilli
     11/24 Agaronia java
     12/24 Agaronia jesuitarum
     13/24 Agaronia johnkochi
     14/24 Agaronia junior
     15/24 Agaronia leonardhilli
     16/24 Agaronia lutaria
     17/24 Agaronia maltzani
     18/24 Agaronia nica
     19/24 Agaronia propatula
     20/24 Agaronia razetoi
     21/24 Agaronia steeriae
     22/24 Agaronia sterica
     23/24 Agaronia testacea
     24/24 Agaronia travassosi
 2/6  Subfamily Calyptolivinae : 1 Genus 
   1/1  Genus Calyptoliva : 4 Species 
     1/4 Calyptoliva amblys
     2/4 Calyptoliva bbugeae
     3/4 Calyptoliva bolis
     4/4 Calyptoliva tatyanae
 3/6  Subfamily Olivancillariinae : 1 Genus 
   1/1  Genus Olivancillaria : 8 Species 
     1/8 Olivancillaria auricularia
     2/8 Olivancillaria carcellesi
     3/8 Olivancillaria contortuplicata
     4/8 Olivancillaria deshayesiana
     5/8 Olivancillaria orbignyi
     6/8 Olivancillaria teaguei
     7/8 Olivancillaria urceus
     8/8 Olivancillaria vesica
 4/6  Subfamily Olivellinae : 4 Genus 
   1/4  Genus Callianax : 4 Species 
     1/4 Callianax alectona
     2/4 Callianax biplicata
     3/4 Callianax diegensis
     4/4 Callianax strigata
   2/4  Genus Cupidoliva : 2 Species 
     1/2 Cupidoliva nympha
     2/2 Cupidoliva solidula
   3/4  Genus Olivella : 115 Species 
     1/115 Olivella acteocina
     2/115 Olivella alba
     3/115 Olivella albina
     4/115 Olivella altatae
     5/115 Olivella amblia
     6/115 Olivella anazora
     7/115 Olivella ankeli
     8/115 Olivella arionata
     9/115 Olivella aureobalteata
     10/115 Olivella aureocincta
     11/115 Olivella barbenthos
     12/115 Olivella biminiensis
     13/115 Olivella bitleri
     14/115 Olivella borealis
     15/115 Olivella broggi
     16/115 Olivella bullula
     17/115 Olivella careorugula
     18/115 Olivella cocosensis
     19/115 Olivella coensis
     20/115 Olivella compta
     21/115 Olivella costulata
     22/115 Olivella cymatilis
     23/115 Olivella dama
     24/115 Olivella decorata
     25/115 Olivella defiorei
     26/115 Olivella diodocus
     27/115 Olivella dolichomorpha
     28/115 Olivella drangai
     29/115 Olivella ephamilla
     30/115 Olivella esther
     31/115 Olivella exilis
     32/115 Olivella fletcherae
     33/115 Olivella floralia
     34/115 Olivella formicacorsii
     35/115 Olivella fortunei
     36/115 Olivella fulgurata
     37/115 Olivella fundarugata
     38/115 Olivella fuscocincta
     39/115 Olivella gaylordi
     40/115 Olivella gracilis
     41/115 Olivella guildingii
     42/115 Olivella henkeli
     43/115 Olivella huberthenkeli
     44/115 Olivella hyalina
     45/115 Olivella hyphala
     46/115 Olivella inconspicua
     47/115 Olivella intermedia
     48/115 Olivella intorta
     49/115 Olivella inusta
     50/115 Olivella kifos
     51/115 Olivella klappenbachi
     52/115 Olivella lactea
     53/115 Olivella lanceolata
     54/115 Olivella lepta
     55/115 Olivella macgintyi
     56/115 Olivella magnifica
     57/115 Olivella mandarina
     58/115 Olivella marginelloides
     59/115 Olivella marmosa
     60/115 Olivella mayabe
     61/115 Olivella mica
     62/115 Olivella micula
     63/115 Olivella miliacea
     64/115 Olivella miliola
     65/115 Olivella millepunctata
     66/115 Olivella minuscula
     67/115 Olivella minuta
     68/115 Olivella miriadina
     69/115 Olivella moorei
     70/115 Olivella morrisoni
     71/115 Olivella mutica
     72/115 Olivella myrmecoon
     73/115 Olivella nana
     74/115 Olivella nivea
     75/115 Olivella nota
     76/115 Olivella olssoni
     77/115 Olivella orejasmirandai
     78/115 Olivella oteroi
     79/115 Olivella parva
     80/115 Olivella perplexa
     81/115 Olivella peterseni
     82/115 Olivella plana
     83/115 Olivella poppei
     84/115 Olivella puelcha
     85/115 Olivella pulchella
     86/115 Olivella pulchra
     87/115 Olivella pulicaria
     88/115 Olivella pura
     89/115 Olivella pusilla
     90/115 Olivella rehderi
     91/115 Olivella riosi
     92/115 Olivella riverae
     93/115 Olivella rosolina
     94/115 Olivella rotunda
     95/115 Olivella santacruzence
     96/115 Olivella scurra
     97/115 Olivella signata
     98/115 Olivella sphoni
     99/115 Olivella spreta
     100/115 Olivella spretoides
     101/115 Olivella stegeri
     102/115 Olivella steveni
     103/115 Olivella stranoi
     104/115 Olivella tehuelcha
     105/115 Olivella tergina
     106/115 Olivella thompsoni
     107/115 Olivella versicolor
     108/115 Olivella vitilia
     109/115 Olivella volutella
     110/115 Olivella volutelloides
     111/115 Olivella walkeri
     112/115 Olivella watermani
     113/115 Olivella zanoeta
     114/115 Olivella zenopira
     115/115 Olivella zonalis
   4/4  Genus Pachyoliva : 2 Species 
     1/2 Pachyoliva columellaris
     2/2 Pachyoliva semistriata
 5/6  Subfamily Olividae incertae sedis : 0 
 6/6  Subfamily Olivinae : 4 Genus 
   1/4  Genus Felicioliva : 2 Species 
     1/2 Felicioliva kaleontina
     2/2 Felicioliva peruviana
   2/4  Genus Oliva : 123 Species 
     1/123 Oliva amethystina
     2/123 Oliva angustata
     3/123 Oliva atalina
     4/123 Oliva athenia
     5/123 Oliva australis
     6/123 Oliva bahamasensis
     7/123 Oliva baileyi
     8/123 Oliva barbadensis
     9/123 Oliva bathyalis
     10/123 Oliva bayeri
     11/123 Oliva bewleyi
     12/123 Oliva bifasciata
     13/123 Oliva brettinghami
     14/123 Oliva brunellae
     15/123 Oliva buelowi
     16/123 Oliva bulbiformis
     17/123 Oliva bulbosa
     18/123 Oliva caerulea
     19/123 Oliva carneola
     20/123 Oliva caroliniana
     21/123 Oliva chrysoplecta
     22/123 Oliva circinata
     23/123 Oliva concavospira
     24/123 Oliva dactyliola
     25/123 Oliva deynzerae
     26/123 Oliva drangai
     27/123 Oliva efasciata
     28/123 Oliva elegans
     29/123 Oliva emeliodina
     30/123 Oliva februaryana
     31/123 Oliva figura
     32/123 Oliva fijiana
     33/123 Oliva flammeacolor
     34/123 Oliva flammulata
     35/123 Oliva fulgurator
     36/123 Oliva goajira
     37/123 Oliva grovesi
     38/123 Oliva guttata
     39/123 Oliva hanleyorum
     40/123 Oliva harpularia
     41/123 Oliva hayesi
     42/123 Oliva hilli
     43/123 Oliva hirasei
     44/123 Oliva incrassata
     45/123 Oliva irisans
     46/123 Oliva jamaicensis
     47/123 Oliva jaspidea
     48/123 Oliva joyceae
     49/123 Oliva julieta
     50/123 Oliva keenii
     51/123 Oliva kerstitchi
     52/123 Oliva kohi
     53/123 Oliva kurzi
     54/123 Oliva lacanientai
     55/123 Oliva lamberti
     56/123 Oliva lecoquiana
     57/123 Oliva leonardhilli
     58/123 Oliva macleaya
     59/123 Oliva maculata
     60/123 Oliva makawana
     61/123 Oliva mantichora
     62/123 Oliva matchetti
     63/123 Oliva mcleani
     64/123 Oliva mindanaoensis
     65/123 Oliva miniacea
     66/123 Oliva mooreana
     67/123 Oliva multiplicata
     68/123 Oliva mustelina
     69/123 Oliva neostina
     70/123 Oliva nivosa
     71/123 Oliva obesina
     72/123 Oliva oliva
     73/123 Oliva olssoni
     74/123 Oliva ornata
     75/123 Oliva ouini
     76/123 Oliva ozodona
     77/123 Oliva pacifica
     78/123 Oliva panniculata
     79/123 Oliva parkinsoni
     80/123 Oliva pica
     81/123 Oliva picta
     82/123 Oliva pindarina
     83/123 Oliva polita
     84/123 Oliva polpasta
     85/123 Oliva ponderosa
     86/123 Oliva porphyria
     87/123 Oliva reclusa
     88/123 Oliva recourti
     89/123 Oliva reticularis
     90/123 Oliva reticulata
     91/123 Oliva richerti
     92/123 Oliva rubrolabiata
     93/123 Oliva rufofulgurata
     94/123 Oliva rufula
     95/123 Oliva samarensis
     96/123 Oliva sargenti
     97/123 Oliva sayana
     98/123 Oliva scripta
     99/123 Oliva semmelinki
     100/123 Oliva sericea
     101/123 Oliva sibogae
     102/123 Oliva sidelia
     103/123 Oliva smithi
     104/123 Oliva spicata
     105/123 Oliva subangulata
     106/123 Oliva sunderlandi
     107/123 Oliva tigridella
     108/123 Oliva tigrina
     109/123 Oliva timoria
     110/123 Oliva todosina
     111/123 Oliva tremulina
     112/123 Oliva tricolor
     113/123 Oliva truncata
     114/123 Oliva undatella
     115/123 Oliva venulata
     116/123 Oliva vicdani
     117/123 Oliva vicweei
     118/123 Oliva vidua
     119/123 Oliva violacea
     120/123 Oliva vocilae
     121/123 Oliva vullieti
     122/123 Oliva westralis
     123/123 Oliva xenos
   3/4  Genus Recourtoliva : 1 Species 
     1/1 Recourtoliva poppei
   4/4  Genus Vullietoliva : 2 Species 
     1/2 Vullietoliva foxi
     2/2 Vullietoliva splendidula
287 Species in Olividae 

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