Pectinoidea
The Pectinoidea are a superfamily of marine bivalve molluscs, including the scallops and spiny oysters.
Shell anatomy
All members of this superfamily have a triangular resilium with a nonmineralized medial core that functions below the hinge line.Families
According to the World Register of Marine Species, the Pectinoidea include these families :- Cyclochlamydidae
- Entoliidae
- Neitheidae †
- Pectinidae
- Pleuronectitidae †
- Propeamussiidae some are known as glass scallops
- Spondylidae thorny oysters
- Tosapectinidae †
- Propeamussidae: synonym of Propeamussiidae
- Syncyclonematidae: synonym of Entoliidae