New data on the tyrannosauroid dinosaurKileskusfrom the Middle Jurassic of Siberia, Russia

New postcranial bones (cervical and caudal vertebrae, chevron, fibula) of the proceratosaurid tyrannosauroid Kileskus aristotocus from the Middle Jurassic (Bathonian) Itat Formation at Berezovsk coal mine, Krasnoyarsk Territory, Western Siberia, Russia, reveal three possible autapomorphies of Kileskus: a deep anterior recess between the neural canal and prezygapophysis; a distinct pit at the base of the neural spine on the middle cervical...