Pectinoidea
The Pectinoidea are a superfamily of marine bivalve molluscs, including the scallops and spiny oysters.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:
;Families brought into synonymy:
- Propeamussidae: synonym of Propeamussiidae
- Syncyclonematidae: synonym of Entoliidae
