New Mexico Museum of Natural History and Science

 

Coelophysis making Grallator


Coelophysis making Grallator
 Image By: Matt Celeskey and Mary Sundstrom
Date: Spring 2008

The oldest definite dinosaur tracks are called Grallator (GRALL • ay • tor). They are the tracks of relatively small, meateating dinosaurs like Coelophysis, that lived during the Late Triassic.