Bivalvia - Wikipedia Bivalvia ( b aɪ ˈ v æ l v i ə ) or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed by a calcified exoskeleton consisting of a hinged pair of half-shells known as valves
bivalve - Encyclopedia Britannica 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
Bivalves - Types, Examples, Characteristics, Anatomy, Diet, Habitat Bivalves are a group of freshwater and marine mollusks with bilaterally symmetric and laterally compressed bodies encased in a characteristic two-part shell They belong to the class Bivalvia, a term coined by Linnaeus (1758) from two Latin words, bis (two) and valvae (leaves of a door)
What is a bivalve mollusk? - NOAAs National Ocean Service Bivalve mollusks (e g , clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate A roughfile clam from the Flower Garden Bank National Marine Sanctuary—just one of many different bivalve mollusk species Like fish, bivalve mollusks breathe through their gills
Bivalve Mollusks - Characteristics, Habitat, and Examples - thedailyECO Bivalves, also known as lamellibranchs or pelecypods, are a class of mollusks distinguished by their two-part shell, which joins dorsally and encloses and protects their body They are often found in marine environments but can also live in freshwater Bivalves are filter feeders, meaning they strain tiny food particles from the water
What Are Bivalves? 5 Examples of These Amazing Creatures Bivalves are a subgroup of mollusks and are eaten as a delicacy around the world Bivalves make up a large group of animals It’s estimated that there are well over 20,000 known species of bivalves in the world
Class Bivalvia: The Wonders of Bivalves | Earth Life Bivalves can be extremely numerous where they occur, and they are widely spread throughout the marine ecosystem, especially the intertidal and sublittoral zones Because they are diverse and common, bivalves are an extremely important part of the balance of many marine ecosystems
Bivalve - New World Encyclopedia Bivalves are aquatic mollusks belonging to the class Bivalvia (or Pelecypoda), a group that includes the familiar and economically important clams, oysters, scallops, and mussels Bivalvia ("two valves") refers to the fact that most members of this group have two-part calcareous shells, or valves, that are hinged and more or less symmetrical
Clams, Mussels, Oysters, Scallops: A Guide to Bivalve Mollusks Clams are bivalve mollusks with two adductor muscles that hold their shells together and a burrowing foot that allows them to dig They live most of their lives buried under sand or mud in the shallow waters of oceans or rivers They range in size from less than a millimeter to more than four feet in diameter
Bivalves (pelecypods, clams, etc. ) - University of Kentucky Bivalves are a class of mollusk with two valves, which is where they get their name (“bi” means two in Latin) They are the second-most common seashells in the world today behind their cousins, the gastropods (snails) Modern bivalves include clams, cockles, mussels, oysters, and scallops