| Alcelaphini (Tribe) Rochebrune, 1883 | Page: 160. |
| †Aletomerycini (Tribe) Frick, 1937 | Page: 153. |
| †Allotheria (Subclass) Marsh, 1880 | |
| Antilopini (Tribe) Gray, 1821 | Page: 161. |
| Boselaphini (Tribe) Knottnerus-Meyer, 1907 | Page: 158. |
| Bovini (Tribe) Gray, 1821 | Page: 158. |
| Callosciurini (Tribe) (Pocock, 1923) Simpson, 1945 | Page: 79. |
| Capreolini (Tribe) Brookes, 1828 | Page: 155. |
| Caprini (Tribe) Gray, 1821 | Page: 162. |
| †Cardiatheriinae (Subfamily) Kraglievich, 1930 | Page: 95. |
| †Cricetodontini (Tribe) Schaub, 1925 | Page: 85. |
| Ctenodactyloidea (Superfamily) (Gervais, 1853) Simpson, 1945 | Page: 99. |
| Cuniculinae (Subfamily) (Miller & Gidley, 1918) Simpson, 1945 | Page: 96. |
| †Cylindrodontinae (Subfamily) Miller & Gidley, 1918 | Page: 77. |
| Dermoptera (Order) Dobson, 1883 | Page: 53. |
| Ellobiini (Tribe) Gill, 1872 | Page: 88. |
| Erethizontoidea (Superfamily) Bonaparte, 1845 | Page: 94. |
| Eutatini (Tribe) Bordas, 1933 | Page: 72. |
| Ferae (Superorder) Linnaeus, 1758 | Page: 105. |
| Funambulini (Tribe) Pocock, 1923 | Page: 79. |
| Gliroidea (Superfamily) (Muirhead, in Brewster, 1819) Simpson, 1945 | Page: 91. |
| †Hegetotheriinae (Subfamily) Ameghino, 1894 | Page: 130. |
| Hippotragini (Tribe) Retzius & Lovén, 1845 | Page: 159. |
| †Interatheriinae (Subfamily) Ameghino, 1887 | Page: 129. |
| Lemmini (Tribe) Gray, 1825 | Page: 86. |
| †Listriodontinae (Subfamily) Lydekker, 1884 | Page: 145. |
| Mammutoidea (Superfamily) Hay, 1922 | Page: 247. |
| Marmotini (Tribe) Pocock, 1923 | Page: 79. |
| †Mesotheriinae (Subfamily) Alston, 1876 | Page: 129. |
| Microtini (Tribe) (Miller, 1896) Simpson, 1945 | Page: 87. |
| Mystacinidae (Family) Dobson, 1875 | Page: 60. |
| Neotragini (Tribe) Sclater & Thomas, 1894 | Page: 160. |
| †Nesodontinae (Subfamily) Murray, 1866 | Page: 128. |
| †Notohippinae (Subfamily) Ameghino, 1894 | Page: 127. |
| †Notopithecinae (Subfamily) Ameghino, 1897 | Page: 128. |
| Octodontoidea (Superfamily) Waterhouse, 1839 | Page: 97. |
| Odocoileini (Tribe) Pocock, 1923 | Page: 154. |
| Ovibovini (Tribe) Gill, 1872 | Page: 162. |
| †Panochthini (Tribe) Castellanos, 1927 | Page: 74. |
| †Paramyinae (Subfamily) Haeckel, 1895 | Page: 77. |
| Platanistoidea (Superfamily) Gray, 1846 | Page: 100. |
| †Pleuraspidotheriinae (Subfamily) Zittel, 1892 | Page: 124. |
| †Potamarchinae (Subfamily) Kraglievich, 1926 | Page: 96. |
| Reduncini (Tribe) Lydekker & Blaine, 1914 | Page: 159. |
| †Rhynchippinae (Subfamily) Loomis, 1914 | Page: 127. |
| Rupicaprini (Tribe) (Brookes, 1828) Simpson, 1945 | Page: 161. |
| †Squalodontoidea (Superfamily) Brandt, 1873 | Page: 100. |
| Tamiasciurini (Tribe) Pocock, 1923 | Page: 78. |
| Tarsiiformes (Infraorder) Gregory, 1915 | Page: 63. |
| †Tetraconodontinae (Subfamily) Lydekker, 1876 | Page: 145. |
| †Trachytheriinae (Subfamily) Ameghino, 1894 | Page: 129. |
| Xerini (Tribe) Murray, 1866 | Page: 79. |