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

by Paul S. Mikkelsen

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Search results for:   SPIRE, INVOLUTE       1 term was found.

Term	Definition

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SPIRE, INVOLUTE		The condition of having the POSTNUCLEAR WHORLS higher than, and enveloped by the NUCLEAR WHORLS; see also: SPIRE, SUNKEN.

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Over 1700 Terms in the Glossary!