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Crassostrea
(redirected from Ostreidae)

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Crassostrea
genus of farmed oysters in subclass Lamellibranchia; includes C. angulata (Portuguese oyster), C. gigas (Pacific cupped oyster), C. virginicus (American cupped oyster), Saccostrea commercialis (Sydney rock oyster). See Table 23.


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A complete heirarchical schema for the American oyster distributed along the east coast of the United States is: Phylum: Mollusca Class: Bivalvia Order: Pteriodea Family: Ostreidae Genus: Crassostrea Species: virginica The American oyster is referred to as Crassostrea virginica: Crassostrea is the genus of a group of oysters; virginica is the specific name that designates a particular kind or species of oyster.
Among the Pectinidae, available energy used for gonad build-up comes entirely from the adductor muscle (Chantler 2006), whereas Mytilidae, Ostreidae, and Veneridae take up energy, not only from the digestive gland, muscle, and mantle tissue, but from other kind of nongerminal nourishing cells, such as VCT cells and ADG cells (Mathieu & Lubet 1993).
This data is valuable for establishing a gonad index in those bivalves different than the Pectinidae family that lack a gonad as a true organ (Pteridae, Mytilidae, Pinnidae, Ostreidae, and Veneridae).
 
 
 
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