The Crurotarsi (with their shared derived crurotarsal ankle [1 below]) are divided into three groups: the Phytosauria, the Ornithosuchia, and the Suchia.
Phytosauria
The primitive phytosaur Paleorhinus from the Malari Formation of India. Based on Chatterjee (1978).
Skull of juvenile phytosaur from the Newark basin (Newark Supergroup), North Bergen, NJ.
Skull of phytosaur as found from the Fundy basin (Newark Supergroup), Digby, Nova Scotia, Canada.
