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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 |
| AURICULAR CRURA (sing. CRUS) |
Blunt internal ridges, swelling out distally as low tubercles, marking lower border of auricles in some Pectinidae. | |
| CARDINAL CRURA (sing. CRUS) |
Narrow lamelliform teeth radiating from apex of LIGAMENT PIT in the Pectinacea. | |
| CRURAL | Pertaining to CRURA. | |
| CRUS (pl. CRURA) |
Pairs of diverging ridges on the hinge of some bivalves, resembling teeth. | |
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