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gnathostome

/ ˈneɪθəʊˌstəʊm /

noun

  1. any vertebrate of the superclass Gnathostomata , having a mouth with jaws, including all vertebrates except the agnathans
“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


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Derived Forms

  • ˌgnathoˈstomatous, adjective
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Word History and Origins

Origin of gnathostome1

from New Latin Gnathostomata , from Greek gnathos jaw + stoma mouth
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Example Sentences

But until recently, the number of useful Silurian gnathostome fossils could be counted on one hand.

Overall, the genome is the least derived among known vertebrates and is therefore a good model for inferring the state of the ancestral chondrichthyan and gnathostome genomes.

From Nature

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