| A (1 species) | 
| Aardonyx - Early Jurassic, 195 Ma | 
| B (0 species) | 
| C (0 species) | 
| D (0 species) | 
| E (1 species) | 
| Eucnemesaurus - Late Triassic, 228 Ma | 
| F (0 species) | 
| G (0 species) | 
| H (0 species) | 
| I (0 species) | 
| J (0 species) | 
| K (0 species) | 
| L (0 species) | 
| M (1 species) | 
| Mussaurus - Late Triassic, 215-203 Ma | 
| N (0 species) | 
| O (0 species) | 
| P (0 species) | 
| Q (0 species) | 
| R (2 species) | 
| Riojasaurus - Late Triassic, 227-213 Ma | 
| Ruehleia - Late Triassic, 216-203 Ma | 
| S (0 species) | 
| T (0 species) | 
| U (0 species) | 
| V (0 species) | 
| W (0 species) | 
| X (0 species) | 
| Y (0 species) | 
| Z (0 species) |