Search results
Mar 18, 2024 · bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. The valves are connected to one another at a hinge.
The bivalves are a large class of molluscs, also known as pelecypods . They have a hard calcareous shell made of two parts or 'valves'. The soft parts are inside the shell. The shell is usually bilaterally symmetrical . There are over 30,000 species of bivalves, including the fossil species.
Bivalvia ( / baɪˈvælviə / ), 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.
Los bivalvos ( Bivalvia; bi: ‘dos’, valvia: ‘ valva ’ o ‘placa’), lamelibranquios ( Lamellibranchia) o pelecípodos ( Pelecypoda) son seres vivos clasificados biológicamente en el filo (tipo de organización) Mollusca (de molusco ).
bivalve, Any member of the mollusk class Bivalvia, or Pelecypoda, characterized by having a two-halved (valved) shell. Clams, cockles, mussels, oysters, scallops, and shipworms are bivalves. Most are completely enclosed by the shell, the two valves of which are joined by an elastic ligament, and by two sheets of tissue called the mantle.
Nov 24, 2006 · Bivalves (Mollusca: Bivalvia = Pelecypoda) are among the best known and most easily recognized of all invertebrates. Economically, they include commercially important shellfish in aquaculture or wild harvest, some of the planet's most endangered species, as well as some of the world's most problematic pests.
Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.
