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[From New Latin Lāmellibranchia, class name : lamelli- + Latin branchia, gill; see branchia.]

la·mel′li·branch′ adj.


n, adj
(Zoology) another word for bivalve1, bivalve2
[C19: from New Latin lamellibranchia plate-gilled (animals); see lamella, branchia]
laˌmelliˈbranchiate adj, n



1. any mollusk, as the oyster or mussel, of the class Bivalvia, having hinged lateral shells, a soft body enclosed by a mantle, sheetlike gills, and often a retractile foot.
2. having two shells, usu. united by a hinge.
3. having two similar parts hinged together.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lamellibranch - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged togetherlamellibranch - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
clam - burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness
cockle - common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs
oyster - marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
ark shell - marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
blood clam - red-blooded clam
mussel - marine or freshwater bivalve mollusk that lives attached to rocks etc.
escallop, scollop, scallop - edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions
piddock - marine bivalve that bores into rock or clay or wood by means of saw-like shells
Adj.1.lamellibranch - bivalve
bivalve, bivalved - used of mollusks having two shells (as clams etc.)
References in periodicals archive ?
Fine-structure of the neurons in the mid-dorsal lobes of the visceral ganglion of the Lamellibranch mollusc Scrobicularia plana (da Costa).
At first, the paleo environment in which the oil shale near Urumqi city (Jimusaer country) formed was considered to be marine, but because later the freshwater lamellibranch was found in the oil shale strata, then paleo environment was considered to have been terrestrial.
In addition, his examination of plankton samples showed large numbers of nauplii, lamellibranch and annelid larvae, copepods, arrow worms, and other forms.
The anatomy and phylogeny of Spondylus, with a particular reference to the lamellibranch nervous system.
Observations on the mechanism of the opening of the valves of a burrowing lamellibranch, Mya arenaria.
Correction of homonyms in the lamellibranch genus Conocardium.
Yet perhaps we can avoid using the corporately brand namingly dull 'Millennium Centre' by saying 'I'm off to the Lamellibranch tonight to see that new play'.
Unlike lamellibranch bivalves, suspension-feeding calyptraeid gastropods lack siphons and paired shell valves to regulate water inflow.
Fine structure of the gastric shield in the lamellibranch bivalve, Lasaea rubra (Montagu).