radula

Etymology

From Latin rādula (“scraper”).

noun

  1. (zoology) The rasping tongue of snails and all other mollusks except bivalves.
    The radula end containing the first 5–10 rows of teeth showed evidence of wear from rasping over rock surfaces during feeding and was removed using dissection. 18 February 2015, Asa H. Barber, Dun Lu, Nicola M. Pugno, “Extreme strength observed in limpet teeth”, in Journal of the Royal Society Interface
    What Kruta found in the ammonoid fossils was an unfoldable radula covered with delicate, comblike teeth. 2017, Danna Staaf, Squid Empire, ForeEdge, page 98

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