SUPERCLASS GNATHOSTOMATA(noun)Did you mean?RhymesAlso try..superclassgnathostomataDefinitions There is 1 meaning of the phrase Superclass Gnathostomata. Superclass Gnathostomata - as a noun Comprising all vertebrates with upper and lower jaws Synonyms (Exact Relations)gnathostomataWord Variations & RelationsStarts SStarts SUStarts SUPStarts SUPEEnds AEnds TAEnds ATAEnds MATAStarts S & ends AStarts SU & ends AStarts S & ends TAA-Z Proximitiessupercivilised22supercivilizationsupercivilizationssupercivilized31superclass14 Superclass Gnathostomata superclasses16superclean14superclub15superclubs16supercluster16