Crassostrea is a genus of true oysters containing some of the most important oysters used for food.
Tridacna is a genus of large saltwater clams, marine bivalve molluscs in the subfamily Tridacninae, the giant clams. They have heavy shells, fluted with 4 to 6 folds. The mantle is brightly coloured. They inhabit shallow waters of coral reefs in warm seas of the Indo-Pacific region. These clams are popular in marine aquaria, and in some areas, such as the Philippines, members of the genus are farmed for the marine aquarium trade. They live in symbiosis with photosynthetic algae (zooxanthellae). Some species are eaten by humans.
Ostrea is a genus of edible oysters, marine bivalve mollusks in the family Ostreidae, the oysters.
Barbatia is a genus of "bearded" ark clams, marine bivalve mollusks in the family Arcidae, the ark clams.
Umbraculum, common name the "umbrella slugs" is a genus of unusual sea snails or false limpets, marine gastropod molluscs in the family Umbraculidae.
Cardita is a genus of marine bivalve molluscs in the family Carditidae.
Hipponix, common name hoof snails or hoof shells, is a genus of small sea snails with limpet-like shells, marine gastropod molluscs in the family Hipponicidae, the hoof snails. Many of the species in this genus have white shells.
Rock oysters are true oysters of the genus Saccostrea, belonging to the subfamily Saccostreinae of the family Ostreidae.
Pinna is a genus of bivalve molluscs belonging to the family Pinnidae.
Isognomon is a genus of marine bivalve mollusks which is related to the pearl oysters.
Modiolus, the horsemussels, are a genus of medium-sized marine bivalve molluscs in the family Mytilidae.
Argopecten is a genus of saltwater clams, or scallops, marine bivalve mollusks in the family Pectinidae.
Arca is a genus of saltwater clams in the family Arcidae, the ark clams.
Brachidontes is a genus of mussels in the family Mytilidae.
Pteria is a genus of molluscs in the family Pteriidae. The species of the genus are sometimes referred to as wing-oysters or winged oysters.
Plicatula is a genus of saltwater clams, marine bivalve molluscs, known commonly as kitten's paws or kittenpaws in the family Plicatulidae.
Chama is a genus of cemented saltwater clams, marine bivalve molluscs in the family Chamidae, the jewel boxes.
Pseudochama is a species of bivalve mollusc in the family Chamidae.
Striostrea is a genus of bivalves belonging to the family Ostreidae.
