†unranked clade Ankylosauria Osborn 1923
Invalid subtaxa: Cryptosaurus Seeley 1875 [nomen dubium], Palaeoscincus Leidy 1856 [nomen dubium], Palaeoscincus costatus Leidy 1856 [nomen dubium]
Full reference: H. F. Osborn. 1923. Two Lower Cretaceous dinosaurs of Mongolia. American Museum Novitates 95:1-10
Parent taxon: Thyreophora according to F.-L. Han et al. 2012
Sister taxa: Apraedentalia, Emausaurus, Scelidosauria, Scelidosauridae, Scelidosaurus, Scutellosaurus, Stegosauria, Stegosauromorpha, Thyreophoroidea
Subtaxa: Ankylosauridae, Anoplosaurus, Apulosauripus, Bissektipelta, Cryptosaurus eumerus, Dracopelta, Hylaeosaurus, Nodosauridae, Polacanthidae