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An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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| by Paul S. Mikkelsen | |||
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| Term | Definition |
| BASE | In coiled gastropods, the area below the periphery of the body whorl, excluding the aperture; opposite of APEX; in uncoiled or limpet-like gastropods, the apertural rim; also used, less precisely, for the flattened apertural side of cowries (Cypraeidae). In bivalves, the basal margin opposite the upper or hinge margin. | |
| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |