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Descriptor in English: Bivalvia
Descriptor in Spanish: Bivalvos
Descriptor in Portuguese: Bivalves
Descriptor in French: Bivalvia
Entry term(s): Bivalve
Bivalves
Bivalvias
Clam
Clams
Mussel
Mussels
Tree number(s): B01.050.500.644.080
Scope note: A class in the phylum MOLLUSCA comprised of mussels; clams; OYSTERS; COCKLES; and SCALLOPS. They are characterized by a bilaterally symmetrical hinged shell and a muscular foot used for burrowing and anchoring.
Annotation: as animal & food; general or unspecified; prefer specifics; as food, coordinate IM with SHELLFISH (IM)
Allowable Qualifiers: AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PS parasitology
PY pathogenicity
RE radiation effects
UL ultrastructure
VI virology
History Note: 2006
DeCS UI: 2989
Descriptor UI: D049872
Date Established: 2006/01/01
Date of Entry: 2005/06/30
Revision Date: 2009/07/06
Bivalvia - Preferred
Concept UI M0470611
Scope note A class in the phylum MOLLUSCA comprised of mussels; clams; OYSTERS; COCKLES; and SCALLOPS. They are characterized by a bilaterally symmetrical hinged shell and a muscular foot used for burrowing and anchoring.
Preferred term Bivalvia
Entry term(s) Bivalve
Bivalves
Bivalvias
Mussels - Narrower
Concept UI M0014267
Scope note Marine bivalve mollusks especially of the genus MYTILUS or freshwater bivalve mollusks, especially the genera UNIO and ANODONTA. Mussels usually have a larva (glochidia), and require a fish host to complete development.
Preferred term Mussels
Entry term(s) Mussel
Clams - Narrower
Concept UI M0004538
Scope note Equivalved edible marine mollusks that live wholly or partially in sand or mud. Clams usually do not have larvae (glochidia) and thus do not require a host for development.
Preferred term Clams
Entry term(s) Clam



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