Search the Dictionary

One of the Lamellibranchia. Also used adjectively.

A class of Mollusca including all those that have bivalve shells, as the clams, oysters, mussels, etc.

Having lamellar gills; belonging to the Lamellibranchia. -- n.

That class of Mollusca which includes the bivalve shells; the Lamellibranchiata. See Mollusca.

An order of lamellibranchiate mollusks having an anterior and posterior adductor muscle, as the common clam. See Bivalve.

Characterized by a current which flows inward; as, the incurrent orifice of lamellibranch Mollusca.

Having the two ends unequal, as in the clam, quahaug, and most lamellibranch shells.

Below the gills; -- applied to the ventral portion of the pallial chamber in the lamellibranchs.

Same as Lamellibranchia.

e animal kingdom, including the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and Lamellibranchiata, or Conchifera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which incloses either a branchial or a p…

An order of lamellibranchs having but one muscle for closing the shell, as the oyster.

Same as Lamellibranchia.

opod mollusk by which water is conducted into the gill cavity. See Illust. under Mya, and Lamellibranchiata.

A lamellibranch which has three muscular scars on each valve.