An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
CARINA (pl. CARINAE) |
A keel-like part; a prominent knife-edged ridge; = KEEL. See illustration: Composite Gastropod. See also: WHORL, CARINATE; WHORL, BICARINATE. | |
CARINATE | Having a CARINA, especially at the periphery of a WHORL; = KEELED. | |
MARGINAL CARINA | Ridge in Trigoniacea (Bivalvia) that runs from UMBO to posteroventral angle of shell and delimits posterior area. | |
PERIPHERY, BICARINATE | Having two CARINA or ridges at the outer edge of a whorl. | |
PERIPHERY, CARINATE | Having one CARINA or ridge at the outer edge of a whorl. | |
WHORL, BICARINATE | Having two CARINA on the PERIPHERY of a whorl. | |
WHORL, CARINATE | Having one or more CARINA on the PERIPHERY of a whorl; see also: WHORL, BICARINATE; WHORL, MONOCARINATE. | |
WHORL, MONOCARINATE | Having a single CARINA on the PERIPHERY of a whorl; see also: WHORL, BICARINATE. | |
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