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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 |
| CARDINAL AREA | In bivalves, situated more or less in the central part of the hinge area, immediately below the BEAKS. Flat or slightly concave, commonly triangular surface extending between beak and hinge margin in many bivalves, and partly or wholly occupied by LIGAMENT. | |
| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |