Category
page 1Pteriida
Pterioida
The Pteriida are an order of large and medium-sized marine bivalve mollusks. It includes five families, among them the Pteriidae (pearl oysters and winged oysters).
Isognomon
(For the tree oyster mushroom, see Pleurotus ostreatus.)
Isognomon alatus
species of mollusc
Isognomon radiatus
species of mollusc
Isognomonidae
Isognomonidae is a family of medium-sized to large salt-water clams. They are pearl oysters, marine bivalve molluscs in the superfamily Pterioidea.
Isognomon californicus
species of mollusc
Isognomon perna
species of mollusc