Ostreoida
The order Ostreoida includes the true oysters and a number of other related families of bivalves.
About 11 families are recognised within it, but suborders, superfamilies and subfamilies are used relatively heavily in this order. The following classification represents a synthesis of different views, reconciled so far as possible. The lists of genera are illustrative rather than complete.
Superfamilies, Families & important genera
- Suborder Pectinina
- Superfamily Pectinoidea
- Family Spondylidae (thorny oysters)
- Family Pectinidae (scallops)
- Genera Pecten, Pedum, Amusium, Chlamys, Decatopecten, Argopecten, Flexopecten, Lissopecten, Hyalopecten, Nodipecten, Patinopecten, Semipallium, Mimachlamys, Equichlamys, Mesopeplum, Veprichlamys, Notochlamys, Delectopecten, Cryptopecten, Anguipecten, Haumea, Mirapecten, Volachlamys, Juxtamusium, Annachlamys, Gloripallium, Excellichlamys, Bractechlamys, Minnivola, Coralichlamys, Serratovola, Somalipecten, Pseudohinnites, Glorichlamys
- Family Entoliidae
- Family Propeamussiidae
- Family Syncyclonemidae
- Genera Propeamussium, Parvamussium, Cyclopecten, Cyclochlamys, Similipecten
- Superfamily Anomioidea
- Family Anomiidae
- Subfamily Anomiinae
- Subfamily Placunanomiinae
- Genera Pododesmus, Patro, Monia
- Family Placunidae
- Suborder Ostreina
- Superfamily Ostreoidea
- Family Ostreidae (true oysters)
- Subfamily Ostreinae
- Genera Ostrea, Pretostrea, Planostrea, Booneostrea, Pustulostrea, Nanostrea
- Subfamily Lophinae
- Genera Lopha, Dendostrea, Alectryonella, Anomiostrea
- Subfamily Crassostreinae
- Genera Crassostrea, Saccostrea, Striostrea
- Family Gryphaeidae
- Genera Pycnodonte, Hyotissa, Neopycnodonte, Parahyotissa
- Superfamily Plicatuloidea
- Superfamily Dimyoidea (freshwater mussels)
