“+ noun plural
Usage: capitalized
Etymology: New Latin, from eu- + Lamellibranchia
: an order of Lamellibranchia comprising bivalve mollusks that have filamentous gills forming two continuous flattened layers on each side of the body, the foot usually large, and a byssus reduced or absent and that include the oysters, freshwater mussels, clams, cockles, shipworms, and numerous related mollusks
• eu·lamellibranchiate “+ adjective or noun