Isognomonidae

Feather oysters
A live individual of Pinctada margaritifera
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Pterioida
Family:	Pteriidae Gray, 1847
Genera
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Pteriidae, also called the feather oysters, is a family of medium-sized to large saltwater clams. They are pearl oysters, marine bivalve molluscs in the order Pterioida.

Some of the species in this family are important economically as the source of saltwater pearls.

Genera in the family Pteriidae include:

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