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Bivalvia    
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Bivalvia
n 1: oysters; clams; scallops; mussels [synonym: {Bivalvia}, {class
Bivalvia}, {Lamellibranchia}, {class Lamellibranchia},
{class Pelecypoda}]


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  • Bivalvia - Wikipedia
    As a group, bivalves have no head and lack some typical molluscan organs such as the radula and the odontophore Their gills have evolved into ctenidia, specialised organs for feeding and breathing
  • 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)
  • Bivalve | Definition, Characteristics, Species, Classification, Facts . . .
    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
  • Bivalve - Mollusk, Shell, Filter Feeder | Britannica
    In primitive bivalves (e g , Palaeotaxodonta) there are four pairs of ganglia —cerebral, pleural, pedal, and visceral In all other bivalves the cerebral and pleural ganglia are fused into two cerebropleural ganglia, located above and on either side of the esophagus
  • Bivalvia | INFORMATION | Animal Diversity Web - ADW
    Also known as pelecypods, the approximately 15,000 species of this taxon are found in marine and freshwater habitats throughout the world A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body
  • Bivalve Ecology and Paleoecology - Digital Atlas of Ancient Life
    Bivalves live in a wide variety of habitats and differ widely in their ecological relationships Although most bivalves are marine, a large number of living species inhabit freshwater
  • Clams, Mussels, Oysters, Scallops: A Guide to Bivalve Mollusks
    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 Although clams, mussels, oysters, and scallops are all part of the same taxonomic class, they belong to different subclasses, orders, and families
  • Evolutionary History of Bivalves - Digital Atlas of Ancient Life
    They suffered significant diversity decline at the end-Cretaceous mass extinction, but have increased in diversity almost continuously throughout the Cenozoic Genus-level Phanerozoic diversity of Class Bivalvia Graph generated using the Paleobiology Database Navigator
  • Freshwater bivalve - Wikipedia
    Freshwater bivalves are molluscs of the order Bivalvia that inhabit freshwater ecosystems They are one of the two main groups of freshwater molluscs, along with freshwater snails





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