The Pterioida are a suborder of large and medium-sized saltwater clams, marine bivalve mollusks. It includes five families, among them the Pteriidae (pearl oysters and winged oysters).

The Pterioida are a suborder of large and medium-sized saltwater clams, marine bivalve mollusks. It includes five families, among them the Pteriidae (pearl oysters and winged oysters).