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Heptasteornis Harrison and Walker 1975 (coelurosaur)

Reptilia - Avetheropoda - Troodontidae

PaleoDB taxon number: 38618

Full reference: C. J. O. Harrison and C. A. Walker. 1975. The Bradycnemidae, a new family of owls from the Upper Cretaceous of Romania. Palaeontology 18(3):563-570

Parent taxon: Troodontidae according to P. J. Makovicky and M. A. Norell 2004

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

Subtaxa: Heptasteornis andrewsi

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Ecology: ground dwelling carnivore-omnivore