Any of the bivalve mollusks of the subclass Lamellibranchia, the largest group of bivalves. Lamellibranchs have gills that consist of long, folded filaments with cilia at the end that draw in water for respiration and also filter food particles. Lamellibranchs include clams, scallops, and oysters.
From New Latin Lāmellibranchiaclass namelamelli– Latin branchiagillbranchia
American Heritage Dictionary of the English Language, 5th Edition
Lamellibranch Sentence Examples
Many Gastropoda deposit their eggs, after fertilization, enclosed in capsules; others, as Paludina, are viviparous; others, again, as the Zygobranchia, agree with the Lamellibranch Conchifera (the bivalves) in having simple exits for the ova without glandular walls, and therefore discharge their eggs unenclosed in capsules freely into the sea-water; such unencapsuled eggs are merely enclosed each in its own delicate chorion.
In other respects the anatomy of the cockle presents no important differences from that of a typical Lamellibranch.
Walcott has described a tiny lamellibranch (Modioloides) from the inferior Cambrian, and he reports the gastropod (?) genus Chuaria from the preCambrian.
As an example of the organization of a Lamellibranch, we shall review the structure of the common pond-mussel or swan mussel (Anodonta cygnea), comparing it with other Lamellibranchia.