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goniatite

noun
  1. any extinct cephalopod mollusc of the genus Goniatites and related genera, similar to ammonites: a common fossil of Devonian and Carboniferous rocks
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Word Origin

C19: from Greek gōnia angle, referring to the angular sutures in some species + -ite 1
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

Examples from the Web for goniatite

Historical Examples

  • The venerable Orthoceras and the Goniatite linger on through the epoch and into the first period of the succeeding era.

    The Elements of Geology

    William Harmon Norton