Clade Phyllophaga Owen 1842
Synonyms: Gravigrada, Gravigradi
Parent taxon: Xenarthra according to M. C. McKenna et al. 2006
See also Ameghino 1885, Ameghino 1894, Ameghino 1897, Ameghino 1906, Hay 1902, Jaekel 1911, Kramarz et al. 2010, McDonald and Muizon 2002, McKenna and Bell 1997, Muizon et al. 2004, Pujos 2006 and White and MacPhee 2001
Sister taxa: Adiastaltus, Anathitus, Argyromanis, Cingulata, Ernanodontidae, Myrmecophagi, Orthoarthrus, Pilosa, Placophori, Entelops dispar, Trematherium intermixtum, Dasypoda, Nomarthra
Subtaxa: Elipsodon Megalonychoidea Orophodontidae Ortotheridae Pseudoglyptodon