Synonyms: Eparctocyona McKenna 1975, Ungulata Linnaeus 1766, Ungulati Linnaeus 1766
Full reference: P. J. Waddell, H. Kishino, and R. Ota. 2001. A Phylogenetic Foundation for Comparative Mammalian Genomics. Genome Informatics 12:141-154
Parent taxon: Scrotifera according to R. J. Asher and K. M. Helgen 2010
See also Ameghino 1889, Ameghino 1894, Andrews 1906, Archibald 1998, Bonaparte 1850, Cope 1889, Flower 1883, Flower and Lydekker 1891, Gadow 1898, Gray 1821, Gray 1825, Gregory 1910, Hay 1902, Hay 1930, Jaekel 1911, Lambe 1908, Madsen et al. 2001, McKenna 1975, McKenna and Honey 2008, McKenna and Lofgren 2003, Parker and Haswell 1897, Prothero and Schoch 1989, Shoshani and Tassy 2005, Thorpe 1937 and Waddell et al. 2001
Sister taxa: Acreodi, Bulbulodentata, Ferae, Fereuungulata
Subtaxa: Altungulata Amblypoda Antilopidae Artiodactylamorpha Barypoda Barytheria Capridae Cetungulata Diplarthra Ganungulatum Haloboidea Hydrophorae Hyraces Kharmerungulatum Mesodactyli Monochenae Palaeocladosictis Panperissodactyla Polydactyli Procreodi Protungulata Ruminantes Sivatheridae Tesserachenae Tipotheria Trichenae
Ecology: scansorial insectivore