Archosaur
Reptile
Late Triassic
Bull Canyon Formation
Guadalupe County, New Mexico, USA

28mm on 66mm matrix.

Many extinct reptiles are known only from isolated teeth or jaw sections or bones – often not enough for a formal name.  On top of that the teeth are also often very similar in form.  Here’s a specimen for a collectors who would like to add any kind of reptile teeth to their collections.