A new troodontid theropod, Talos sampsoni gen. et sp. nov., from the Upper Cretaceous Western Interior Basin of North America.
Troodontids are a predominantly small-bodied group of feathered here theropod dinosaurs notable for their close evolutionary relationship with Avialae.Despite a diverse Asian representation with remarkable growth in recent years, the North American record of the clade remains poor, with only one controversial species--Troodon formosus--presently kn