Difference between revisions of "protoconch"
From ZooTerms (Dictionary of Invertebrate Zoology)
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Revision as of 14:29, 10 September 2013
protoconch (noun; Greek protos, first; konche, shell): (Mollusca: Gastropoda) The embryonic shell of a univalve, indicated by the apical whorls of the adult shell being clearly demarcated from later onesSee also: prodissoconch.