GLOSSARY OF BIVALVE MORPHOLOGIC TERMS
Illustrations and objective data courtesy of AMOCO Production Co., Alan B. Shaw (Manager, South Florida Carbonate Project), and Brian F. Glenister (AMOCO Consultant)
The ornamentation of the shell
|none||Having no ribs on shell|
|radial||Having longitudinal ribs on shell|
|concentric||Having horizontal ribs on shell|
|cancellate||Having longitudinal and horizontal ribs that cross each other|
Last updated on September 3, 2002-eek.