ribbed shell

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• harp shell — noun a marine mollusc with a large vertically ribbed shell, found chiefly in the Indo Pacific. [Family Harpidae: many species.] …   English new terms dictionary

• vase shell — n. a predatory mollusk of warm seas, with a heavy ribbed shell that has blunt spines and is typically pale with chestnut markings. ● Genus Vasum, family Vasidae, class Gastropoda …   Useful english dictionary

• Soft-shell clam — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

• fan shell — Scallop Scal lop (?; 277), n. [OF. escalope a shell, probably of German or Dutch origin, and akin to E. scale of a fish; cf. D. schelp shell. See {Scale} of a fish, and cf. {Escalop}.] [Written also {scollop}.] 1. (Zo[ o]l.) Any one of numerous… …   The Collaborative International Dictionary of English

• Zebra top shell — Taxobox name = Zebra top shell image caption = regnum = Animalia phylum = Mollusca classis = Gastropoda ordo = Archaeogastropoda familia = Trochidae genus = Austrocochlea species = A. porcata binomial = Austrocochlea porcata binomial authority =… …   Wikipedia

• Rock shell — Rock Rock, n. [OF. roke, F. roche; cf. Armor. roc h, and AS. rocc.] 1. A large concreted mass of stony material; a large fixed stone or crag. See {Stone}. [1913 Webster] Come one, come all! this rock shall fly From its firm base as soon as I. Sir …   The Collaborative International Dictionary of English

• ladder shell — noun : a prominently ribbed spiral marine shell of Epitonium or related genera : wentletrap …   Useful english dictionary

• file shell — noun Etymology: file (I) : any of a family (Limidae) of small equivalve bivalve mollusks with the yellowish or white valves closely ribbed and covered with spiny scales suggesting a rasp or file …   Useful english dictionary

• Oncomelania hupensis — Conservation status NE …   Wikipedia

• 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

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium