Parent taxon: Allotheria according to D. W. Krause et al. 2014
See also Ameghino 1894, Ameghino 1897, Averianov and Lopatin 2011, Beard and Dawson 2014, Bonaparte 1986, Clemens 1963, Clemens and Kielan-Jaworowska 1979, Cope 1889, Domning 1996, Flower and Lydekker 1891, Gregory 1910, Kielan-Jaworowska et al. 2004, Kielan-Jaworowska and Hurum 2001, Krause 1993, Lillegraven and McKenna 1986, McKenna 1975, McKenna and Bell 1997, Olson 1966, Simpson 1928, Simpson 1929, Sloan and Van Valen 1965, Smith and Codrea 2015, Smith et al. 2001, Wible 1991, Zheng et al. 2013 and Zhou et al. 2013
Sister taxa: Camptomus, Euharamiyida, Fractinus, Gondwanatheria, Haramiyavia, Thomasia
Subtaxa: Ameribaatar Arginbaataridae Baidabatyr Chirogidae Cimolodonta Desmostyloidea Hahnotheriidae Haramyidae Kermackodontidae Kuehneodon Plagiaulacida Polymastodontidae Rugosodon Sinobaatar
Ecology: arboreal herbivore