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Troodon Leidy 1856 (coelurosaur)

Reptilia - Avetheropoda - Troodontidae

PaleoDB taxon number: 38572

Synonyms: Polyodontosaurus Gilmore 1932 (no. 54469), Stenonychosaurus Sternberg 1932 (no. 38571)

Full reference: J. Leidy. 1856. Notices of remains of extinct reptiles and fishes, discovered by Dr. F. V. Hayden in the bad lands of the Judith River, Nebraska Territory. Proceedings of the Academy of Natural Sciences of Philadelphia 8:72-73

Parent taxon: Troodontidae according to C. Hendrickx and O. Mateus 2014

Sister taxa: Archaeornithoides, Borogovia, Bradycneme, Byronosaurus, Euronychodon, Geminiraptor, Gobivenator, Heptasteornis, Jianianhualong, Jinfengopteryx, Koparion, Laelaps cristatus, Laelaps laevifrons, Linhevenator, Mei, Pectinodon, Philovenator, Saurornithoides, Sinornithoides, Sinovenator, Sinovenatorinae, Sinusonasus, Talos, Tochisaurus, Troodontinae, Xixiasaurus, Zanabazar

Subtaxa: Troodon formosus

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Ecology: ground dwelling carnivore-omnivore