Family Ostreidae : 5 Subfamily
 1/5  Subfamily Crassostreinae : 3 Genus 
   1/3  Genus Crassostrea : 7 Species 
     1/7 Crassostrea aequatorialis
     2/7 Crassostrea columbiensis
     3/7 Crassostrea corteziensis
     4/7 Crassostrea mangle
     5/7 Crassostrea rhizophorae
     6/7 Crassostrea tulipa
     7/7 Crassostrea virginica
   2/3  Genus Magallana : 13 Species 
     1/13 Magallana angulata
     2/13 Magallana ariakensis
     3/13 Magallana belcheri
     4/13 Magallana bilineata
     5/13 Magallana dactylena
     6/13 Magallana dianbaiensis
     7/13 Magallana gigas
     8/13 Magallana hongkongensis
     9/13 Magallana markushuberi
     10/13 Magallana nippona
     11/13 Magallana saidii
     12/13 Magallana sikamea
     13/13 Magallana valentichscotti
   3/3  Genus Talonostrea : 3 Species 
     1/3 Talonostrea salpinx
     2/3 Talonostrea talonata
     3/3 Talonostrea zhanjiangensis
 2/5  Subfamily Ostreidae incertae sedis : 1 Genus 
   1/1  Genus Nicaisolopha : 1 Species 
     1/1 Nicaisolopha tridacnaeformis
 3/5  Subfamily Ostreinae : 10 Genus 
   1/10  Genus Alectryonella : 1 Species 
     1/1 Alectryonella plicatula
   2/10  Genus Anomiostrea : 1 Species 
     1/1 Anomiostrea coralliophila
   3/10  Genus Booneostrea : 1 Species 
     1/1 Booneostrea subucula
   4/10  Genus Dendostrea : 8 Species 
     1/8 Dendostrea crenulifera
     2/8 Dendostrea cristata
     3/8 Dendostrea folium
     4/8 Dendostrea frons
     5/8 Dendostrea rosacea
     6/8 Dendostrea sandvichensis
     7/8 Dendostrea senegalensis
     8/8 Dendostrea trapezina
   5/10  Genus Lopha : 1 Species 
     1/1 Lopha cristagalli
   6/10  Genus Nanostrea : 1 Species 
     1/1 Nanostrea pinnicola
   7/10  Genus Ostrea : 20 Species 
     1/20 Ostrea algoensis
     2/20 Ostrea angasi
     3/20 Ostrea angelica
     4/20 Ostrea atherstonei
     5/20 Ostrea chilensis
     6/20 Ostrea circumpicta
     7/20 Ostrea conchaphila
     8/20 Ostrea denselamellosa
     9/20 Ostrea edulis
     10/20 Ostrea equestris
     11/20 Ostrea futamiensis
     12/20 Ostrea libella
     13/20 Ostrea lurida
     14/20 Ostrea megodon
     15/20 Ostrea neostentina
     16/20 Ostrea oleomargarita
     17/20 Ostrea permollis
     18/20 Ostrea puelchana
     19/20 Ostrea spreta
     20/20 Ostrea stentina
   8/10  Genus Planostrea : 1 Species 
     1/1 Planostrea pestigris
   9/10  Genus Pustulostrea : 2 Species 
     1/2 Pustulostrea australis
     2/2 Pustulostrea pseudangulata
   10/10  Genus Teskeyostrea : 1 Species 
     1/1 Teskeyostrea weberi
 4/5  Subfamily Saccostreinae : 1 Genus 
   1/1  Genus Saccostrea : 12 Species 
     1/12 Saccostrea circumsuta
     2/12 Saccostrea cuccullata
     3/12 Saccostrea echinata
     4/12 Saccostrea glomerata
     5/12 Saccostrea kegaki
     6/12 Saccostrea malabonensis
     7/12 Saccostrea mordax
     8/12 Saccostrea mordoides
     9/12 Saccostrea palmula
     10/12 Saccostrea scyphophilla
     11/12 Saccostrea spathulata
     12/12 Saccostrea subtrigona
 5/5  Subfamily Striostreinae : 1 Genus 
   1/1  Genus Striostrea : 3 Species 
     1/3 Striostrea denticulata
     2/3 Striostrea margaritacea
     3/3 Striostrea prismatica
76 Species in Ostreidae 

(Extraits de WoRMS de octobre 2025)
NB: status "accepted" et "extant, not fossile-only"