Protosuchia
| Protosuchia Temporal range: Late Triassic - Late Cretaceous | |
|---|---|
| A skeleton of Protosuchus richardsoni in the American Museum of Natural History | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Clade: | Archosauria | 
| Clade: | Pseudosuchia | 
| Clade: | Crocodylomorpha | 
| Clade: | Crocodyliformes | 
| Informal group: | †Protosuchia Mook, 1934 | 
| Subgroups | |
Protosuchia is a group of extinct Mesozoic crocodyliforms. They were small in size (~1 meter in length) and terrestrial. In phylogenetic terms, Protosuchia is considered an informal group because it is a grade of basal crocodyliforms, not a true clade.