Troodon formosus was a small coelurosaurian dinosaur—a member of the same clade (evolutionary group) to which modern birds belong. Fossilized remains have been discovered of nesting parents and ...

Palaeontologists agree that Troodon was one of the most intelligent ... the creature conceived by Russell and Séguin would ...

Troodon, paleontologists contend ... the creature envisioned by Russell and Séguin would have three fingers on each hand, one ...