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Daspletosaurus is closely related to the much larger and more recent tyrannosaurid Tyrannosaurus rex. Like most tyrannosaurids, Daspletosaurus was a large bipedal predator, with the average adult measuring 8.5–9 m (28–30 ft) and weighing 3 metric tons (3.3 short tons). However, the largest potential specimen measures around 11 metres (36 ft ...
In some areas, Gorgosaurus coexisted with another tyrannosaurid, Daspletosaurus. Although these animals were roughly the same size, there is some evidence of niche differentiation between the two. Gorgosaurus is the best-represented tyrannosaurid in the fossil record, known from dozens of specimens.
In some areas, Gorgosaurus coexisted with another tyrannosaurid, Daspletosaurus. Though these animals were roughly the same size, there is some evidence of niche differentiation between the two. Gorgosaurus is the best-represented tyrannosaurid in the fossil record, known from dozens of specimens.
Daspletosaurini is an extinct clade [1] [2] of tyrannosaurine dinosaurs that lived in Laramidia during the Late Cretaceous (Middle Campanian) period.It consists of two genera: Daspletosaurus and Thanatotheristes.
In Gorgosaurus specimens, the eye socket was circular rather than oval or keyhole-shaped as in other tyrannosaurid genera. [11] In Daspletosaurus, this was a tall oval, somewhere in between the circular shape seen in Gorgosaurus and the 'keyhole' shape of Tyrannosaurus. [10] [11] [44]
These two genera in turn were the sister taxon to Daspletosaurus, follow by Alioramus. There was an alternative hypothesis from Phil Currie and colleagues (2003) who suggested Daspletosaurus to be more closely related to Tarbosaurus and Alioramus than to Tyrannosaurus based on cranial features. [35]
A scientific publication by Phil Bell and colleagues in 2017 show that tyrannosaurids such as Gorgosaurus, Tarbosaurus, Albertosaurus, Daspletosaurus, and Tyrannosaurus had scales. The Bell et al. 2017 paper notes that the scale-like integument on bird feet were actually secondarily derived feathers according to paleontological and evolutionary ...
Daspletosaurus Gorgosaurus: A. mirandus. Teeth, type specimen. Possible junior synonym of Deinodon horridus [8] Daspletosaurus: D. torosus: Coal Ridge Maxilla [38] A large tyrannosaurid. D. wilsoni [39] Jack’s B2 lower Coal Ridge [40] Partial skull, cervical, sacral, and caudal vertebrae, and a rib, chevron, and first metatarsal