Tetanurae

Translingual

From Ancient Greek τετανός (tetanós, “stiff”) + οὐρά (ourá, “tail”).^[1]

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Tetanurae

(family): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata – subphylum; Gnathostomata – infraphylum; Tetrapoda – superclass; Reptilia – class; Eureptilia, Romeriida – clades; Diapsida – subclass; Archosauromorpha – infraclass; Archosauria – division; Ornithodira – subsection; Dinosauria – superorder; Saurischia – order; Theropoda - suborder; Neotheropoda, Averostra - clades

(clade): Orionides - clade; †Megalosauroidea (= Spinosauroidea) - superfamily in Orionides, Avetheropoda - clade in Orionides; †Carnosauria, Coelurosauria - clades in Avetheropoda; †Chilesaurus, †Sinosaurus, †Cryolophosaurus, †Chuandongocoelurus, †Monolophosaurus, †Cruxicheiros, †Kaijiangosaurus - unassigned genera in Tetanurae

^ Jaques Gauthier, "Saurischian Monophyly and the Origin of Birds", Memoirs of the California Academy of Sciences, 8 (1986) [1].