An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms

by Paul S. Mikkelsen

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Term Definition

PROVINCULUM   A primitive hinge composed of minute teeth developed before the permanent DENTITION in some bivalve molluscs. The median part of hinge margin of the PRODISSOCONCH, usually bearing small teeth or CRENULATIONS.

VINCULUM   Secondary shelly matter associated with basic dental structures, which commonly takes the form of a bridge between two adjacent teeth, thus causing DENTITION to appear simpler than it is.

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