Jawed vertebrates (gnathostomes) comprise more than 99% of living vertebrate species, including humans.

Are people gnathostomes?

The group gnathostomes, meaning "jaw-mouths," includes tens of thousands of living vertebrate species, ranging from fish and sharks to birds, reptiles, mammals and humans.

Who belong to the gnathostomes?

Among Recent vertebrates, the gnathostomes include sharks, rays, chimaeras, ray-finned fishes, lobe-finned fishes and land vertebrates. Extant gnathostomes fall into two major clades, the Chondrichthyes and Osteichthyes.