| Acratocnus | Anthony |
| Acremylodon | Mones |
| Amphicnus | Kraglievich |
| Analcimorphus | Ameghino |
| Analcitherium | Ameghino |
| *Bradypus | Linnaeus |
| Chasicobradsy | Scillato-Yané, Carlini & Vizcaíno |
| *Choloepus | Illiger |
| Chubutherium | Cattoi |
| Diellipsodon | Berg |
| Diheterocnus | Kraglievich |
| Diodomus | Ameghino |
| Elassotherium | Cabrera |
| Eremotherium | Spillmann |
| Eucholoeops | Ameghino |
| Gilsolaresia | Roselli |
| Glossotheriops | Scillato-Yané |
| Glossotherium | Owen |
| Habanocnus | Mayo |
| Hapaloides | Ameghino |
| Hapalops | Ameghino |
| Hyperleptus | Ameghino |
| Lestodon | Gervais |
| Lestodontidon | Roselli |
| Megabradys | Scillato-Yané |
| Megalocnus | Leidy |
| Megalonychops | Kraglievich |
| Megalonychotherium | Scott |
| Megalonyx | Harlan |
| Megathericulus | Ameghino |
| Megatheridium | Cabrera |
| Megatherium | Cuvier |
| Meizonyx | Webb |
| Menilaus | Ameghino |
| Miocnus | Matthew |
| Mylodon | Owen |
| Mylodonopsis | Cartelle |
| Nematherium | Ameghino |
| Neocnus | Arredondo |
| Neohapalops | Kraglievich |
| Neomesocnus | Arredondo |
| Neonematherium | Ameghino |
| Nothrotheriops | Hoffstetter |
| Nothropus | Burmeister |
| Nothrotherium | Lydekker |
| Ocnopus | Reinhardt |
| Octodontobradys | Santos, Rancy & Ferigolo |
| Octodontotherium | Ameghino |
| Octomylodon | Ameghino |
| Orophodon | Ameghino |
| Ortotherium | Ameghino |
| Paramylodon | Brown |
| Paranabradys | Scillato-Yané |
| Parapelecyodon | Scillato-Yané |
| Parocnus | Miller |
| Paulocnus | Hooijer |
| Pelecyodon | Ameghino |
| Perezfontanatherium | Roselli |
| Planops | Ameghino |
| Plesiomegatherium | Roth |
| Pleurolestodon | Roverto |
| Pliometanastes | Hirschfeld & Webb |
| Pliomorphus | Ameghino |
| Prepotherium | Ameghino |
| Promegatherium | Ameghino |
| Promylodon | Ameghino |
| Pronothrotherium | Ameghino |
| Proplatyarthus | Ameghino |
| Proprepotherium | Ameghino |
| Proschismotherium | Ameghino |
| Protomegalonyx | Kraglievich |
| Pseudoglyptodon | Engelmann |
| Pseudoprepotherium | Hoffstetter |
| Pseudortotherium | Scillato-Yané |
| Pyramiodontherium | Roverto |
| Ranculcus | Ameghino |
| Rathymotherium | Ameghino |
| Scelidotheriops | Ameghino |
| Scelidotherium | Owen |
| Schismotherium | Ameghino |
| Sinclairia | Ameghino |
| Spenotherus | Ameghino |
| Strabosodon | Ameghino |
| Synhapalops | Kraglievich |
| Synocnus | Paula Couto |
| Thalassocnus | de Muizon & McDonald |
| Thinobadistes | Hay |
| Torcellia | Kraglievich |
| Urumacotherium | Bocquentin-Villanueva |
| Valgipes | Gervais |
| Xyophorus | Ameghino |
Back
to Main