| Rhadalognathus Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Tetrapoda |
| Order: | † Temnospondyli |
| Suborder: | † Stereospondyli |
| Clade: | † Capitosauria |
| Family: | † Mastodonsauridae |
| Genus: | † Rhadalognathus |
| Species | |
| |
Rhadalognathus was a prehistoric crocodile-like amphibian that belongs to the Mastodonsauridae family. Not much is known about this creature but it lived in the Triassic period. [1] [2] [3] [4] Rhadalognathus is also the name of the genus in which the organism belongs within. Rhadalognathus was found in northern Arizona, US, by S. P. Welles in 1947. [2] The size of the organism is unknown but its skull is about 17in long and weighs 7lbs.