Mollusk Family

• Ostreidae

  Oysters.

• Unionidae

  Freshwater mussels found worldwide.

• Teredinidae

  Shipworms.

• Mytilidae

  Marine mussels.

• Pectinidae

  Scallops.

• Tridacnidae

  Large marine hard-shell clams.

• Cardiidae

  Somewhat heart-shaped sand-burrowing bivalve mollusks.

• Pteriidae

  Pearl oysters.

• Anomiidae

  Saddle oysters.

• Arcidae

  Ark shells.

• Pholadidae

  A family of Bivalvia.

Also contains

• bivalve

  Marine or freshwater mollusks having a soft body with platelike gills enclosed within two...

• Myaceae

  Clams.

• Placuna

  Windowpane oysters.

• spat

  A young oyster or other bivalve.