Ensis is a genus of medium-sized edible saltwater clams, littoral bivalve molluscs in the family Pharidae. Ensis, or razor clams, are known in much of Scotland as spoots, for the spouts of water they eject while burrowing into the sand, when visible at low tide. This term may also colloquially include members of the genus Solen. Ensis magnus are known as bendies due to their slightly curved shell.
Mercenaria is a genus of edible saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams.
Leucosyrinx is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae.
Noetiidae is a family of saltwater clams, marine bivalve molluscs in the order Arcida. They are related to the ark clams and used to be classified as among them. They are differentiated from the ark clams by the presence of striations on the hinge ligament and on the placement of this ligament. Like the ark clams, however, their shells range from ovate to elongate, are inflated, and are brown and white with clear radial ribs. They usually grow to around 6 cm in length, with a maximum of 10 cm.
Galeommatidae is a family of small and very small saltwater clams, marine bivalve molluscs in the order Galeommatida.
Thyasiridae is a family of bivalve molluscs, including the cleft clams, in the order Lucinida.
Poromyidae is a family of saltwater clams, marine bivalve molluscs in the order Anomalodesmata. The genus Dilemma, described in 2008, is remarkable for being a predator of copepods, which is very unusual for a sessile mollusc.
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.
Phymorhynchus is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Xanthodaphne is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Hindsiclava is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae,
Monilispira is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae, the turrids and allies.
Pyrgospira is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae, the turrids and allies
Tucetona is a genus of saltwater clams, marine bivalve molluscs in the family Glycymerididae, the bittersweet clams. Unlike other genera in the family, Tucetona species have a ribbed shell.
Ascetoaxinus quatsinoensis is a species of saltwater clam, a bivalve mollusc in the family Thyasiridae. The shell of this species is unusual in that it has a lunule with scalloped edges.
Callista is a genus of saltwater clams, marine, bivalve molluscs in the family Veneridae, the venus clams.
Turridae is a taxonomic family name for a number of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
Lucinisca is a genus of saltwater clams, marine bivalve molluscs in the subfamily Lucininae of the family Lucinidae.
Lucinoma is a genus of saltwater clams, marine bivalve molluscs in the subfamily Codakiinae of the family Lucinidae.
Trinitasia is a genus of saltwater clams, marine bivalve mollusks in the family Mactridae.
