A reappraisal of tyrannosauroid fossils from the Iren Dabasu ...
ABSTRACT. The giant tyrannosaurids were the apex predators of western North America and. Asia during the close of the Cretaceous Period.
Tyrannosauroidea) with insect borings from the Upper Cretaceous ...Late Cretaceous Earth was dominated by theropods such as tyrannosauroids and megaraptorans; however, it is unclear how these clades diversified and grew to ... Dinosaur Footprints from the Khorat Group, Northeastern ThailandBONAPARTE J.F., NOVAS F.E., CORIA R.A., 1990 ? Carnotau rus sastrei Bonaparte, the horned, lightly built carnosaur from the Middle Cretaceous of Patagonia. Theropoda) from the Bissekty Formation (Upper CretaceousTyrannosaurid theropods display several unusual adaptations of the skulls and teeth. Their nasals are fused and vaulted, suggesting that these elements ...
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