Dimyidae is a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

of extremely flattened, small (<1 cm), pleurothetic, relatively rare marine

bivalve Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s in the order

Pectinida Pectinida is a taxonomic order of large and medium-sized saltwater clams, marine bivalve molluscs, commonly known as scallops and their allies. It is believed that they began evolutionarily in the late Middle Ordovician epoch; many species, of c ...

inhabiting the deeper regions of continental shelves from the Caribbean to Japan. They are sometimes called dimyarian oysters. Unlike other ostreoids, the dimyarian oysters attach themselves to a substrate via their right (rather than left)

valve A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings ...

s.C. M. YONGE. ON THE DIMYIDAE (MOLLUSCA:BIVALVIA) WITH SPECIAL REFERENCE TO DIMYA CORRUGATA HEDLEY AND BASILIOMYA GOREAUI BAYER J. Mollus. Stud. (1978) 44 (3): 357-375 They are related to the

scallop Scallop () is a common name that encompasses various species of marine bivalve mollusks in the taxonomic family Pectinidae, the scallops. However, the common name "scallop" is also sometimes applied to species in other closely related families ...

s and other

oyster Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats. In some species, the valves are highly calcified, and many are somewhat irregular in shape. Many, but not al ...

Genera

Genera within Dimyidae include: * '' Basiliomya'' Bayer 1971 ** '' Basiliomya goreaui'' F. M. Bayer, 1971 * ''

Dimya ''Dimya'' is a genus of very small clams, marine bivalve molluscs in the family Dimyidae. Species within the genus ''Dimya'' * '' Dimya acuminata'' Esteves, 1984 * '' Dimya adaia'' * '' Dimya affinis'' Reeve, 1858 * '' Dimya argentata'' * '' Di ...

'' roualt 1848 * '' Dimyella'' Moore 1969 ** '' Dimyella starcki'' D. R. Moore, 1969

References

* Moore, D.R., 1969. A New Genus and Species of Dimyidae from the caribbean Coast of Mexico. Journal de Conchyliologie 107: 137-141 {{bivalve-stub