Aboloceros Gloger, 1841 † (verified source for family)
Aboloceros Gloger, 1841 † (extant flag source)
Abothrion Pictet, 1853 † (extant flag source)
Acanthodon von Meyer, 1843 † (extant flag source)
Acromys Trouessart, 1881 accepted as Mus Linnaeus, 1758 (extant flag source)
Acropetes Geoffroy in Guérin-Méneville, 1844 accepted as Phalangista Geoffroy & Cuvier, 1795 accepted as Phalanger Storr, 1780 (verified source for family)
Acropetes Geoffroy in Guérin-Méneville, 1844 accepted as Phalangista Geoffroy & Cuvier, 1795 accepted as Phalanger Storr, 1780 (extant flag source)
Acropetes Geoffroy in Guérin-Méneville, 1844 accepted as Phalangista Geoffroy & Cuvier, 1795 accepted as Phalanger Storr, 1780 (source of synonymy)
Adelotherium Ameghino, 1887 † (extant flag source)
Adiastaltus Ameghino, 1893 † (habitat flag source)
Adiastaltus Ameghino, 1893 † (extant flag source)
Adrastotherium Ameghino, 1887 † (verified source for family)
Akenodon Aymard, 1856 † (verified source for family)
Akenodon Aymard, 1856 † (extant flag source)
Amphithereuthes Ameghino in Roger, 1894 † (extant flag source)
Coelosoma Ameghino, 1891 † (verified source for family)
Diaphorus Gill, 1872 (verified source for family)
Diplodon Roth, 1901 † (verified source for family)
Diplodon Roth, 1901 † (extant flag source)
Diplodon Roth, 1901 † (habitat flag source)
Diplodonops Ameghino, 1902 † (habitat flag source)
Diplodonops Ameghino, 1902 † (verified source for family)
Diplodonops Ameghino, 1902 † (extant flag source)
Eleutherodon Mercerat, 1891 † (verified source for family)
Eleutherodon Mercerat, 1891 † (extant flag source)
Euryodon Lund, 1838 † (verified source for family)
Euryodon Lund, 1838 † (extant flag source)
Tapirotherium Lartet in Bronn, 1848 † (verified source for family)
Thoracotherion Gray, 1869 † (additional source)
Tritomodon Cope, 1882 † (verified source for family)

 Taxonomic remark

 for Akenodon Aymard, 1856 †

From Palmer, 1904: poss. nomen nudum (in Aymard, 1856); next publication by Gervais, 1859. Edentata? Lower Miocene, ... [details]

 Taxonomic remark

 for Euryodon Lund, 1838 †

Name included in Palmer, 1904 but not in more recent works; the later name Euryodon Xu, Yan, Zhou, Han & Zhang, ... [details]