Pteriidae
（重定向自Isognomonidae）
![](/Images/godic/202501/21/Pinctada_margaritifera2051.jpg")
Pteriidae, also called the feather oysters, is a family of medium-sized to large saltwater clams. They are pearl oysters, marine bivalve mollusks in the order Pterioida.
Some of the species in this family are important economically as the source of saltwater pearls.