Gnathostomata

Within classification, the Gnathostomata is the Superclass level which includes all of the jawed vertebrates.

Classification
The Gnathostomata are part of the Kingdom of Animalia, the Phylum of Chordata, and the Subphylum of Vertebrata. This groups includes approximately 60,000 jaw mouthed species and represents about 99% of living vertebrates. The word Gnathostomata is composed of the Greek γνάθος (gnathos) for 'jaw' and the Greek στόμα (stoma) for 'mouth'.