Found 2 items, similar to Gnathostomata.
English → English (WordNet) Definition: Gnathostomata Gnathostomata n : comprising all vertebrates with upper and lower jaws [syn: superclass Gnathostomata ]
English → English (gcide) Definition: Gnathostomata Gnathostoma \Gna*thos"to*ma\, n. pl. [NL., from Gr. gna`qos the jaw + ?, ?, the mouth.] (Zo["o]l.) A comprehensive division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them. [Written also Gnathostomata.] [1913 Webster]