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gnathostome

British  
/ 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

Other Word Forms

  • gnathostomatous adjective

Etymology

Origin of gnathostome

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From New York Times

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