Definition of bivalve

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Bivalve (a.) Having two shells or valves which open and shut, as the oyster and certain seed vessels..

Lern More About Bivalve

Borer :: Borer (n.) A marine, bivalve mollusk, of the genus Teredo and allies, which burrows in wood. See Teredo..
Pallium :: Pallium (n.) The mantle of a bivalve. See Mantle.
Suprachoroid :: Suprabranchial (a.) Situated above the branchiae; -- applied especially to the upper division of the gill cavity of bivalve mollusks.
Drill :: Drill (n.) A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea..
Beak :: Beak (n.) The upper or projecting part of the shell, near the hinge of a bivalve..
Naiad :: Naiad (n.) Any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel..
Bojanus Organ :: Bojanus organ () A glandular organ of bivalve mollusca, serving in part as a kidney..
Escutcheon :: Escutcheon (n.) The depression behind the beak of certain bivalves; the ligamental area.
Integropallial :: Integropallial (a.) Having the pallial line entire, or without a sinus, as certain bivalve shells..
Bivalve :: Bivalve (n.) A pericarp in which the seed case opens or splits into two parts or valves.
Scallop :: Scallop (n.) Any one of numerous species of marine bivalve mollusks of the genus Pecten and allied genera of the family Pectinidae. The shell is usually radially ribbed, and the edge is therefore often undulated in a characteristic manner. The large adductor muscle of some the species is much used as food. One species (Vola Jacobaeus) occurs on the coast of Palestine, and its shell was formerly worn by pilgrims as a mark that they had been to the Holy Land. Called also fan shell. See Pecten, 2..
Anodon :: Anodon (n.) A genus of fresh-water bivalves, having no teeth at the hinge..
Nucula :: Nucula (n.) A genus of small marine bivalve shells, having a pearly interior..
Beard :: Beard (n.) The gills of some bivalves, as the oyster..
Lamellibranchiata :: Lamellibranchiata (n. pl.) A class of Mollusca including all those that have bivalve shells, as the clams, oysters, mussels, etc..
Pearl :: Pearl (n.) A shelly concretion, usually rounded, and having a brilliant luster, with varying tints, found in the mantle, or between the mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around some irritating foreign particle. Its substance is the same as nacre, or mother-of-pearl. Pearls which are round, or nearly round, and of fine luster, are highly esteemed
Tubivalve :: Tubivalve (n.) A shell or tube formed by an annelid, as a serpula..
Sea Clam :: Sea clam () Any one of the large bivalve mollusks found on the open seacoast, especially those of the family Mactridae, as the common American species. (Mactra, / Spisula, solidissima); -- called also beach clam, and surf clam..
Mactra :: Mactra (n.) Any marine bivalve shell of the genus Mactra, and allied genera. Many species are known. Some of them are used as food, as Mactra stultorum, of Europe. See Surf clam, under Surf..
Cyphonautes :: Cyphonautes (n.) The free-swimming, bivalve larva of certain Bryozoa..
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