Order
Ostreida
Ostreida
11 species in this taxon
order of bivalves Ostreida (Ostreida) is an order comprising closely related families of organisms. It contains 2 families with 11 known species. This includes the family groups Ostreidae, and Pinnidae. Among its members, 1 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Bivalvia (Bivalvia).