Spondylus is a genus of bivalve molluscs, the only genus in the family Spondylidae. They are known in English as spiny oysters or thorny oysters.
The Veneridae or venerids, common name: Venus clams, are a very large family of minute to large, saltwater clams, marine bivalve molluscs. Over 500 living species of venerid bivalves are known, most of which are edible, and many of which are exploited as food sources.
Barbatia is a genus of "bearded" ark clams, marine bivalve mollusks in the family Arcidae, the ark clams.
Mytilidae are a family of small to large marine and brackish-water bivalve molluscs in the order Mytilida. One of the genera, Limnoperna, even inhabits freshwater environments. Mytilidae, which contains some 52 genera, is the only extant family within the order Mytilida.
Crassispira is a genus of small predatory sea snails with narrow, high-spired shells, marine gastropod mollusks in the family Pseudomelatomidae. They first appeared in the fossil record approximately 48.6 million years ago during the Eocene epoch, and still exist in the present day.
Limaria, the file shells or file clams, is a genus of marine bivalve molluscs in the family Limidae.
Lyonsiidae is a family of small saltwater clams, marine bivalve molluscs in the order Anomalodesmata.
Atrina is a cosmopolitan genus of bivalve molluscs belonging to the family Pinnidae.
Spisula is a genus of medium-sized to large marine bivalve mollusks or clams in the subfamily Mactrinae of the family Mactridae, commonly known as surf clams or trough shells.
Lithophaga lithophaga, also known as date shell or date mussel, is a species of Bivalvia belonging to the family Mytilidae.
Lyrodus is a genus of ship-worms, marine bivalve molluscs of the family Teredinidae.
Pyrgocythara is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Brachidontes is a genus of mussels in the family Mytilidae.
Gregariella is a genus of mussels in the family Mytilidae.
Periglypta is a genus of bivalves in the subfamily Venerinae of the family Veneridae.
Gastrochaena is a genus of saltwater clams, marine bivalve molluscs in the family Gastrochaenidae. The type species of this genus is Gastrochaena cuneiformis.
Arcinella is a genus of bivalve mollusc in the family Chamidae.
Chama is a genus of cemented saltwater clams, marine bivalve molluscs in the family Chamidae, the jewel boxes.
Septifer is a genus of saltwater clams, marine bivalve molluscs in the subfamily Septiferinae of the family Mytilidae, the mussels.
