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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 |
| PROTOPLAX | One of the ACCESSORY PLATES in the Pholadacea; flat, spearhead-like accessory plate in one piece or divided longitudinally into two, situated at the anterior end of the dorsal margin in some pholadidae. see also: HYPOPLAX; MESOPLAX; METAPLAX; SIPHONOPLAX. | |
| Copyright ©Paul S. Mikkelsen, All Rights Reserved | Return to Home Page | Return to Top | Over 1700 Terms in the Glossary! |