conodont

(nə dänt′, känə-)

noun

a very small fossil of the Paleozoic and Mesozoic eras, prob. a tooth from an extinct, eel-like vertebrate

Origin: Ger konodont < Gr kōnos, a wedge, cone + odous (gen. odontos), tooth

See conodont in American Heritage Dictionary 4

noun
  1. A member of an extinct group of small primitive fishlike chordates, preserved primarily in the form of their conelike teeth.
  2. A fossil tooth of this chordate. Conodonts are the most widespread Paleozoic microfossils and are important for biostratigraphic indexing.

Origin:

Origin: Greek kōnos, cone; see kō- in Indo-European roots

Origin: + -odont

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