| Term | Definition |
| SPIRE ANGLE | The angle at which the whorls of a spire increase in size. See illustration: Composite Gastropod. | |
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An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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| by Paul S. Mikkelsen | |||
| Term | Definition |
| SPIRE ANGLE | The angle at which the whorls of a spire increase in size. See illustration: Composite Gastropod. | |
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| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |