gnathostomata Definition
a superclass of jawed vertebrates, including the majority of all living and extinct fishes, amphibians, reptiles, birds, and mammals.
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Summary: gnathostomata in Brief
The term 'gnathostomata' [nəˈθɒstəmətə] refers to a superclass of jawed vertebrates, including most fishes, amphibians, reptiles, birds, and mammals.