|  Share | Cite



Meaning of Name: “wounding tooth”
Period:Cretaceous Period (138 million to 65 million years ago)
Size: 2 - 3.5 meters long
Location:Canada, Montana, Wyoming

Troodontids had the largest brain-to-body ratio of all the dinosaurs. They are believed to have been as intelligent as modern-day birds.

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

Fastest:Dinosaur Hall of FameDumbest:

More on Smartest from Infoplease: