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/ˈnæθəstəʊm/ · noun
(zoology) Any 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.
Use gnathostome when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Gnathostome means (zoology) Any vertebrate with jaws, including amphibians, reptiles, mammals, and most modern fish, in contrast with the Agnatha.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Current conceptions of gnathostome phylogeny depict a rather simplistic arrangement of nominally monophyletic and, apparently, morphologically disparate groups.
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