rostral teeth

rostral teeth
tooth-like projections on the sides of the snout of Pristidae and Pristiophoridae. They lack a basal plate typical of other elasmobranch teeth and are made of orthodentine and vitrodentine with a pulp cavity filled with osteodentine

Dictionary of ichthyology. 2009.

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  • rostral tooth — See: carapace tooth (g) [Martin, 2005]. (Order Decapoda): See: carapace teeth (g) [McLaughlin, 1980]. (Order Decapoda): One in a series of tooth or spine like projections along anterior extension (rostrum) of carapace. According to position one… …   Crustacea glossary

  • rostral tooth — (ARTHROPODA: Crustacea) On a Decapoda carapace, a tooth on the rostrum, may be single or multiple, with the upper, lower and lateral teeth distinguished …   Dictionary of invertebrate zoology

  • carapace teeth — (Order Decapoda): (a) cardiac. On midline of carapace just posterior to cervical groove. (b) gastric. On midline of carapace immediately anterior to cervical groove. (c) lateral. On lateral margin of carapace; anterolateral, mediolateral, and… …   Crustacea glossary

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  • tooth — (Order Decapoda): Tooth like structure, either in gastric mill of cardiac stomach or referring to blunt, relatively broad projection on outer surface of carapace. In cardiac stomach, one may distinguish one median and two lateral teeth. On… …   Crustacea glossary

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