Unknown Archosaur Tooth (Crocodylomorph?) Chinle Formation

0.61" (1.55 cm) Unknown Archosaur (Crocodylomorph?) tooth. From the Chinle Formation found in Navajo County Arizona. From the Late Triassic about 205-215 million years old.  

 This tooth looks a lot like a crocodile tooth, which has not evolved yet in the Triassic. The shape is much different than any known Phytosaur.