| 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 (1 species) |
| Jonkeria - Capitanian, 265-260 Ma |
| K (0 species) |
| L (0 species) |
| M (1 species) |
| Moschops - Capitanian, 265-260 Ma |
| N (0 species) |
| O (0 species) |
| P (0 species) |
| Q (0 species) |
| R (0 species) |
| S (0 species) |
| T (1 species) |
| Titanosuchus - Capitanian, 265 Ma |
| U (1 species) |
| Ulemosaurus - Capitanian, 265-260 Ma |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |