| A (0 species) |
| B (0 species) |
| C (0 species) |
| D (1 species) |
| Doedicurus - Pleistocene-Holocene (Uquian-Lujanian)~2-0.011 Ma [note 1] |
| E (1 species) |
| Eremotherium - Late Pliocene - Early Holocene, 4.9-0.011 Ma |
| F (0 species) |
| G (2 species) |
| Glossotherium - Late Pliocene to Early Holocene, 2.5-0.010 Ma |
| Glyptodon - Pleistocene 2.500-0.011 Ma |
| H (1 species) |
| Hapalops - Early-Late Miocene (Santacrucian-Huayquerian)~17.5-7.246 Ma |
| I (0 species) |
| J (0 species) |
| K (1 species) |
| Kuntinaru - Late Oligocene (Deseadan)~26.0 Ma |
| L (1 species) |
| Lestobradys - Late Miocene (Mayoan-Montehermosan)~11.6-5.4 Ma |
| M (3 species) |
| Megalonyx - late Miocene to Pleistocene, 10.3-0.011 Ma |
| Megatherium - Early Pliocene[1] to Early Holocene, 5-0.010 Ma Possible later date of 0.008 Ma |
| Mylodon - Pleistocene to Holocene |
| N (1 species) |
| Nothrotheriops - Pleistocene, 2.6-0.011 Ma |
| O (0 species) |
| P (2 species) |
| Paramylodon - late Pliocene to Pleistocene |
| Peltephilus - Oligocene-Mid Miocene (Deseadan-Mayoan)~29.0-11.6 Ma |
| Q (0 species) |
| R (0 species) |
| S (0 species) |
| T (0 species) |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |