少丘歯目
2015 †Carlothentes Bown & Fleagle 1993 †Chimeralestes Engelman et al. 2017 †Hondathentes Dumont & Brown 1997 Subfamily †Palaeothentinae Sinclair 1906 †Palaeothentes Ameghino 1887 †Palaepanorthus Ameghino 1902 †Propalaeothentes Bown & Fleagle 1993 上科†Decastinae Ameghino 1893 †Acdestis Ameghino 1887 †Acdestoides Bown & Fleagle 1993 †Acdestodon Bown & Fleagle 1993 †Titanothentes Rae, Bown & Fleagle 1996 †Trelewthentes Bown & Fleagle 1993 科 †Abderitidae Ameghino 1889 †Abderites Ameghino 1887 †Pitheculites Ameghino 1902 †Parabderites Ameghino 1902