margin shell
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shell-lac — Lac Lac, n. [Per. lak; akin to Skr. l[=a]ksh[=a]: cf. F. lague, It. & NL. lacca. Cf. {Lake} a color, {Lacquer}, {Litmus}.] A resinous substance produced mainly on the banyan tree, but to some extent on other trees, by the {Laccifer lacca}… … The Collaborative International Dictionary of English
margin — n. [L. margo, border] 1. A border or an edge. 2. (ARTHROPODA: Insecta) The edge of a wing. 3. (CNIDARIA: Anthozoa) The junction of the oral disk and collum of a sea anemone. 4. (MOLLUSCA) The edge of a shell; marginal adj … Dictionary of invertebrate zoology
Razor shell — Taxobox name = Razor shell image width = 240px regnum = Animalia phylum = Mollusca classis = Bivalvia ordo = Veneroida familia = Solenidae genus = Ensis subdivision ranks = Species subdivision = Ensis arcuatusThe razor shell, Ensis arcuatus ,… … Wikipedia
Grooved carpet shell — Taxobox name = Ruditapes decussatus regnum = Animalia phylum = Mollusca classis = Bivalvia ordo = Veneroida familia = Veneridae genus = Ruditapes species = R. decussatus binomial = Ruditapes decussatus binomial authority = L., 1758The grooved… … Wikipedia
wing shell — noun 1. obsolete : elytron 2. a. : any of various marine bivalves of the family Pteriidae and especially the genus Pteria in which the hinge border projects like a wing b. : a shell of the genus Strombus … Useful english dictionary
Spur-shell — (sp[^u]r sh[e^]l ), n. (Zo[ o]l.) Any one of several species of handsome marine gastropod shells of the genus {Trochus}, or {Imperator}. The shell is conical, with the margin toothed somewhat like the rowel of a spur. [1913 Webster] … The Collaborative International Dictionary of English
pseudoctenodont shell — (MOLLUSCA: Bivalvia) A shell with many short teeth transverse to the hinge margin that are in groups related to others with some teeth longitudinally directed; see ctenodont shell … Dictionary of invertebrate zoology
cardinal margin — (BRACHIOPODA) The curved posterior margin of the shell … Dictionary of invertebrate zoology
free margin — (ARTHROPODA: Crustacea) All parts of an ostracod shell margin, except hingement … Dictionary of invertebrate zoology
posterodorsal margin — (MOLLUSCA: Bivalvia) The margin of the dorsal part of the shell posterior to the beaks … Dictionary of invertebrate zoology
