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Bivalves
Encyclopedia entry from: The Gale Encyclopedia of Science
Bivalves Bivalve molluscs belong to the class Bivalvia (or Lamellibranchia) of the phylum Mollusca. Known by...bivalves have been described. The main divisions of the Bivalvia are the Protobranchia (the primitive nutshells), the Filibranchia...
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bivalve
Book article from: The Columbia Encyclopedia, Sixth Edition
...bivalve aquatic mollusk of the class Pelecypoda ( "hatchet-foot" ) or Bivalvia, with a laterally compressed body and a shell consisting of two valves...Bivalves are classified in the phylum Mollusca , class Pelecypoda or bivalvia.
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Mollusks
Encyclopedia entry from: UXL Encyclopedia of Science
...Gastropoda, which includes snails with a coiled shell and others lacking a shell. The next largest group are the bivalves (class Bivalvia), the chitons (class Amphineura), and octopus and squid, (class Cephalopoda). Other classes of mollusks are the class...
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shipworm
Book article from: The Columbia Encyclopedia, Sixth Edition
...enormous damage to piers and ships, and although they are deterred by chemicals, control is still a problem. Shipworms are classified in the phylum Mollusca , class Pelecypoda or bivalvia, order Eulamellibranchia, family Teredinidae.
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scallop
Book article from: The Columbia Encyclopedia, Sixth Edition
...The giant scallop, found in deeper waters from Labrador to New Jersey, attains a length of 5 in. (12.7 cm). Scallops are classified in the phylum Mollusca , class Pelecypoda or bivalvia, order Filibranchia, family Pectinidae.
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giant clam
Book article from: The Columbia Encyclopedia, Sixth Edition
...deep within the tissues. The clam uses the algae as a supplementary or perhaps even a major source of food. Tridacna gigas is classified in the phylum Mollusca , class Pelecypoda or bivalvia, order Eulamellibranchia, family Tridacnidae.
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cockle
Book article from: The Columbia Encyclopedia, Sixth Edition
...It has shells with toothed margins, strikingly colored in yellowish brown with spots and transverse stripes of chestnut or purple. Cockles are classified in the phylum Mollusca , class Pelecypoda or bivalvia, order Eulamellibranchia.
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Palaeocene
Book article from: The Oxford Companion to the Earth
...biota, both marine and terrestrial, contrasted sharply with that of the Cretaceous. In the seas, only the gastropods and bivalvia remained common among the bottom-dwelling mollusca; some nautiloids persisted but the ammonoids were not extinct. On land...
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molluscs
Book article from: The Oxford Companion to Ships and the Sea
...handle these at your peril! Bivalves are mostly sedentary bottom-dwellers either living burrowed in sand or mud like clams (Bivalvia), or anchored to rocks like mussels (e.g. Mytilus spp.) and oysters. They feed on particles they extract from the...
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oyster
Book article from: The Columbia Encyclopedia, Sixth Edition
...The great pearl oyster, from which the pearl is obtained, is a large (12-in./30.5-cm) tropical species. Oysters are classified in the phylum Mollusca , class Pelecypoda or bivalvia, order Filibranchia, family Ostreidae.
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