An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
ARTICULAMENTUM | Inner layer of a CHITON shell; the inner, usually hard, semi-porcelaneous shell layer, generally projecting past the TEGMENTUM on the sides and front of the valves to form the INSERTION PLATES and the sutural laminae. | |
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