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conodont

[koh-nuh-dont, kon-uh-]
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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.
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Origin of conodont

1855–60; < German Conodonten (plural) < Greek kôn(os) cone + -odont -odont
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for conodont

conodont

noun
  1. any of various small Palaeozoic toothlike fossils derived from an extinct eel-like marine animal
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Word Origin

C19: from Greek kōnos cone + odont
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

conodont in Science

conodont

[kōnə-dŏnt′, kŏnə-]
  1. 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.
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