Reptilia - Theropoda - Troodontidae
Full reference: A. J. van der Reest and P. J. Currie. 2017. Troodontids (Theropoda) from the Dinosaur Park Formation, Alberta, with a description of a unique new taxon: implications for deinonychosaur diversity in North America . Canadian Journal of Earth Sciences 54:919-935
Parent taxon: Troodontidae according to A. G. Sellés et al. 2021
See also van der Reest and Currie 2017
Sister taxa: Almas, Anchiornis, Archaeornithoides, Bradycneme, Daliansaurus, Geminiraptor, Gobivenator, Harenadraco, Heptasteornis, Hesperornithoides, Jinfengopteryginae, Koparion, Laelaps cristatus, Laelaps laevifrons, Papiliovenator, Pectinodon, Polyodontosaurus grandis, Sinovenatorinae, Sinusonasus, Tochisaurus, Xixiasaurus
Subtaxa: Byronosaurus Hypnovenator Linhevenator Saurornithoidini Sinornithoides Troodontini Urbacodon
Type: Troodon
Ecology: ground dwelling carnivore-omnivore
Distribution:
• Cretaceous of Canada (74: Alberta, Saskatchewan collections), China (6), Japan (1), Mexico (2), Mongolia (8), the Russian Federation (7), United States (49: Alaska, Montana, New Mexico, North Dakota, South Dakota, Utah, Wyoming), Uzbekistan (2)
Total: 149 collections including 154 occurrences