Gnathostomata (/ˌnæθoʊˈstɒmətə/; from Ancient Greek: γνάθος (gnathos) 'jaw' + στόμα (stoma) 'mouth') are the jawed vertebrates. Gnathostome diversity...

(hagfishes), Hyperoartia (including lampreys), and the much more numerous Gnathostomata (jawed vertebrates). Formerly distinct from vertebrates by excluding...

The Gnathostomata are a superorder of sea urchins, including the familiar sand dollars. Gnathostomatans are irregular in shape, but unlike other irregular...

Galeaspida † (unranked) Pituriaspida † (unranked) Osteostraci † Infraphylum Gnathostomata (jawed vertebrates) Class Placodermi † (armoured fish) Class Chondrichthyes...

Class †Thelodonti Class †Anaspida Class †Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates) Class †Placodermi (Paleozoic armoured forms; paraphyletic...

heart, and a lack of opecula and swim bladders. Within the infraphylum Gnathostomata, cartilaginous fishes are distinct from all other jawed vertebrates...

include: †Conodonta †Ostracodermi Cyclostomi (hagfish and lampreys) Gnathostomata or jawed vertebrates, which include: †Placodermi †Acanthodii Chondrichthyes...

subphylum Vertebrata. Examples of infraphyla include the Mycetozoa, the Gnathostomata and the Agnatha. Hutchinson 1973. Hutchinson, John (1973). The families...

and a single nostril. Instead of vertically articulating jaws like Gnathostomata (vertebrates with jaws), they have a pair of horizontally moving structures...

The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different...