| A (0 species) |
| B (0 species) |
| C (0 species) |
| D (0 species) |
| E (0 species) |
| F (0 species) |
| G (0 species) |
| H (0 species) |
| I (0 species) |
| J (0 species) |
| K (0 species) |
| L (2 species) |
| Langstonia - Middle Miocene, 13-12 Ma |
| Lorosuchus - Paleocene (Peligran-Riochican)~61.7-55.8 Ma |
| M (0 species) |
| N (0 species) |
| O (0 species) |
| P (0 species) |
| Q (0 species) |
| R (0 species) |
| S (1 species) |
| Sebecus - Early Paleocene-Mid Miocene (Tiupampan-Laventan)~66-11.8 Ma |
| T (0 species) |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (1 species) |
| Zulmasuchus - Early Paleocene (Tiupampan-Peligran)~65.5-61.7 Ma |