Gnathostomata

Translingual right|thumb|Chimaera monstrosa species (Vertebrata subphylum) thumb|Clypeaster reticulatus species (Euechinoidea subclass)upper side (left) and underside Etymology From mul grc γνάθος jaw + grc στόμα mouth + mul -ata. Proper noun infraphylum phylum Chordata those vertebrates that have jaws superorder class Echinoidea some sea urchins, including the sand dollars Hypernyms infraphylum Eukaryota superkingdom superkingdom; Animalia kingdom; (Eumetazoa subkingdom subkingdom;) Bilateria subkingdom; (Nephrozoa clade clade) Deuterostomia infrakingdom; Chordata phylum (≈ Chordata Craniata clade clade); Vertebrata subphylum subphylum superorder ; Echinozoa subphylum subphylum; Echinoidea class class Hyponyms infraphylum Actinopterygii superclass, Sarcopterygii superclass, Tetrapoda superclass superclasses, superorder Clypeasteroida order, Holectypoida order orders Coordinate terms infraphylum Agnatha infraphylum References infraphylum Gnathostomata (Vertebrata) superorder Gnathostomata (echinoid) Gnathostomata (Euechinoidea)