gnathostome

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/ˈnæθəstəʊm/

noun

Any vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish, in contrast with the Agnatha

Scrabble 17

Meanings

noungnathostome (plural gnathostomes)

plural gnathostomes

  1. biologyAny vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish, in contrast with the Agnatha

    Current conceptions of gnathostome phylogeny depict a rather simplistic arrangement of nominally monophyletic and, apparently, morphologically disparate groups.

    2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436

Origin

  1. translingualGnathostomata
  2. Englishgnathostome

From translingual Gnathostomata.

Full word history & related roots →
Cite this entry
APA

gnathostome. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/gnathostome

MLA

“gnathostome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gnathostome. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “gnathostome,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/gnathostome.

Source: gnathostome on Wiktionary, CC BY-SA 4.0.