An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms

by Paul S. Mikkelsen

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Search results for:   NUCLEAR WHORL       2 terms were found.

Term	Definition

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NUCLEAR WHORL		The early larval shell, sometimes distinguished from the PROTOCONCH. See illustration: Composite Gastropod. See also: ADULT WHORLS; VELICONCH.

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POSTNUCLEAR WHORL		Any turn of a GASTROPOD shell formed after the formation of the NUCLEUS.

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