5 years ago. Class Bivalvia. Answer Save. Bivalves are easily recognized by their two-halved shell. There are six modern families, restricted entirely to fresh waters. XXIV-2 Chapter XXIV—Class Bivalvia Many species live for 20 years or more, and one species, Margaritifera margaritifera, has been reported to live for more than a century. Calyptogena magnifica: information (1) Calyptogena magnifica: pictures (1) Species Chlamydoconcha orcutti. This was a revised system for classifying bivalve mollusks such as … In Idaho? 1 decade ago. There are probably somewhere around 10,000 bivalve species in marine and freshwaters (notice only one significant digit), and about 10% are found in inland and near-shore habitats (Bogan, 2008). Relevance. Introduction: The Bivalvia, also known as Lamellibranchia and Pelecypoda have about 7500 species in numerous distinctive families. In May 2010, a new taxonomy of the Bivalvia was published in the journal Malacologia.The 2010 taxonomy is known as the Taxonomy of the Bivalvia (Bouchet, Rocroi, Bieler, Carter & Coan, 2010) [citation needed].The 2010 taxonomy was published as Nomenclator of Bivalve Families with a Classification of Bivalve Families. B) parasites . Idaho Species . Define class Bivalvia. Ask Question + 100. e_herorampart9. Clams, mussels, oysters, and scallops are all part of the class Bivalvia in the phylum Mollusca, which means that they share many of the same characteristics. 2 Answers. Favorite Answer. 0 0. c.. with over 150,000 species. D. 0 0. CLASS BIVALVIA  With close to 30,000 species, the class Bivalvia is the second largest molluscan class; Includes clams, mussels, and scallops; A sheetlike mantle and a shell consisting of two valves cover these laterally compressed animals Bivalvia. order Unionoida: 4 superfamilies, 2 families, 1 genus, 962 Recent species. Species Calyptogena magnifica. These are the freshwater mussels. CLASS BIVALVIA  With close to 30,000 species, the class Bivalvia is the second largest molluscan class; Includes clams, mussels, and scallops; A sheetlike mantle and a shell consisting of two valves cover these laterally compressed animals Shell covers the laterally compressed animals. To view subspecies, varieties and populations select the species. Bivalves include clams, oysters, mussels, scallops, and numerous other families of shells. In fact, there are well over 10,000 described species of bivalve, found from the deepest depths of the oceans, to the streams in your backyard. Bivalvia: information (1) Bivalvia: pictures (53) Bivalvia: specimens (58) Bivalvia: maps (42) Related Taxa. Species in this classification. (Mackie, 1998) There are two families of bivalves native to North America, the Sphaeriidae (fingernail clams) and the Unionidae (freshwater pearly mussels), and two families that were D) filter feeders. The majority are filter feeders and have no … Class Bivalvia (mussels, clams) The Bivalvia is one of two classes of the Phylum Mollusca that has representatives in fresh waters. ... An order of bivalves that has freshwater species or at least species attributed to freshwater clades. Most species in Class Bivalvia are? Still have questions? Anonymous. Although clams, mussels, oysters, and scallops are all part of the same taxonomic class, they belong to different subclasses, orders, and families. Get your answers by asking now. A) predators . The soft body is enclosed within two hard calcareous, saucer-like valves. Bivalvia is a class of marine and freshwater molluscs with laterally compressed bodies enclosed by a shell in two hinged parts. Class Bivalvia. Classification however, is still subject to dispute. They can burrow into the sediment or live on the ocean floor. class Bivalvia Name Synonyms Solecurtus ellipticus Tate, 1887 Homonyms Bivalvia Common names Muslinger in Danish bivalve in Portuguese bivalves in English bivalves in French clam in English clams in English mexilhão in Portuguese ostra in Portuguese palourdes in French tweekleppigen in Dutch Class Bivalvia. class Bivalvia. Life / Animalia / Mollusca / Bivalvia . Class Bivalvia. C) land dwellers . Filter. Bivalvia Class. They can burrow into the sediment or live on the ocean floor genus. Species or at least species attributed to freshwater clades have about 7500 species numerous. Most species in numerous distinctive families oysters, mussels, scallops, and numerous families..., oysters, mussels, scallops, and numerous other families of shells Bivalvia ( mussels, scallops and... Superfamilies, 2 families, restricted entirely to fresh waters calcareous, saucer-like valves bivalves include,... 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