A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants
The newly discovered fossil’s name, Moros intrepidus, means ‘the harbinger of doom’
![Moros intrepidus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/02/021919_JR_dino_feat.jpg?fit=860%2C461&ssl=1)
TINY TYRANNOSAUR Standing only 1.2 meters at the hip, the newly discovered Moros intrepidus (illustrated) is one of the smallest known tyrannosaurs.
Jorge Gonzalez, © L. Zanno