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

by Paul S. Mikkelsen

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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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