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conodont

[koh-nuh-dont, kon-uh-] /ˈkoʊ nəˌdɒnt, ˈkɒn ə-/
noun
1.
a Paleozoic microfossil occurring in various jagged or toothlike shapes and constituting the hard remains of an extinct marine animal of the order Conodonta (or Conodontophorida), found abundantly worldwide in sedimentary rock.
Origin
1855-1860
1855-60; < German Conodonten (plural) < Greek kôn(os) cone + -odont -odont
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for conodont
  • conodont evidence suggests that these two successions are separated by a significant hiatus.
British Dictionary definitions for conodont

conodont

/ˈkəʊnədɒnt; ˈkɒn-/
noun
1.
any of various small Palaeozoic toothlike fossils derived from an extinct eel-like marine animal
Word Origin
C19: from Greek kōnoscone + odont
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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conodont in Science
conodont
  (kō'nə-dŏnt', kŏn'ə-)   
Any of various minute, toothlike or bladelike fossils made of the mineral apatite and dating from the Cambrian to the late Triassic Period. They are virtually the only preserved parts of extinct eellike animals that are now thought to have been primitive vertebrates similar to the modern hagfishes. Conodonts grew in paired assemblages in the head region of the animal and probably formed part of the feeding apparatus. They are the most widespread microfossils of the Paleozoic Era and are very important for determining the age of rock strata.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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