aragonitic
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aragonitic — adjective see aragonite … New Collegiate Dictionary
bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… … Universalium
Coelosimilia — Temporal range: Late Cretaceous, 70 Ma … Wikipedia
Ooid — Modern ooids from a beach on Joulter s Cay, The Bahamas. Ooids on the surface of a li … Wikipedia
Scleractinia — Taxobox name = Stony Corals fossil range = fossil range|245.0|0TriassicVerify source|date=May 2008 to recent image width = 250px image caption = Brain Coral (Diploria labyrinthiformis) regnum = Animalia phylum = Cnidaria classis = Anthozoa ordo … Wikipedia
Carbonate platform — A carbonate platform is a sedimentary body which possesses topographic relief, and is composed of autochthonous calcareous deposits (Wilson, 1975). Platform growth is mediated by sessile organisms whose skeletons build up the reef or by organisms … Wikipedia
Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament … Wikipedia
mollusk — molluskan, molluscan /meuh lus keuhn/, adj., n. mollusklike, adj. /mol euhsk/, n. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body,… … Universalium
aragonite — noun Etymology: German Aragonit, from Aragon, Spain Date: 1803 a mineral similar to calcite in consisting of calcium carbonate but differing from calcite in its orthorhombic crystallization, greater density, and less distinct cleavage •… … New Collegiate Dictionary
Coral — For other uses, see Coral (disambiguation). Coral Pillar coral, Dendrogyra cylindricus Scientific classification Kingdom … Wikipedia
