Shark and ray teeth consist of two basic parts, crown and root. No single tooth possesses all the features defined by the following terms.

Crown termsEdit

  • Barb: Hook-like, enameloid-covered crown prominence situated on the posterior border of rostral teeth of some fossil and recent sawfishes and sawsharks.
  • Basal ledge: Ledge formed by expansion of the crown foot above the root.
  • Blade: Modification of the crown always mesial or distal to a cusp or cusplet(s) bearing a cutting ridge along its apical surface.

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