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The Gorgosaurus heads back to its cave, fatally wounded with a broken leg. As the sun rises the next morning, Scar is becoming weaker and the Quetzalcoatlus that follows senses it. The young dinosaur hears a rustling noise, which turns to be the injured female Pachyrhinosaurus instead. The pterosaur gives up as the ceratopsian herd arrives to ...
Skulls of the three species compared: P. perotorum (with inaccurate epiparietal placement), P. canadensis, and P. lakustai Pachyrhinosaurus canadensis, was described in 1950 by Charles Mortram Sternberg based on the holotype incomplete skull NMC 8867, and the paratype incomplete skull NMC 8866, which included the anterior part of the skull but was lacking the right lower mandible, and the "beak".
Like most known tyrannosaurids, Gorgosaurus was a large bipedal predator, measuring 8–9 metres (26–30 ft) in length and 2–3 metric tons (2.2–3.3 short tons) in body mass. Dozens of large, sharp teeth lined its jaws, while its two-fingered forelimbs were comparatively small.
National Geographic also noted that Gorgosaurus was depicted as feathered in the 2011 direct-to-video film March of the Dinosaurs. [ 36 ] Palaeontologist Anthony Fiorillo was a consultant for the film and helped determine what dinosaurs lived in Alaska at the time.
Before the formal description of Nanuqsaurus, numerous tyrannosaurid teeth were known from the Kogosukruk Tongue of the Prince Creek Formation and were first referred to the genus Gorgosaurus. [1] Later, after the locale was understood to be younger than previously thought, the consensus switched to referring to the teeth under the genus ...
Pachyrhinosaurus n. sp. Campanian. Wapiti Formation. Canada The left quadrate of this animal is concave where it should be convex, bears a bone spur, and has a 2 cm long rounded pit. N/A TMP 87.55.102 [5] Royal Tyrrell Museum of Paleontology [4] Pachyrhinosaurus n. sp. Campanian. Wapiti Formation. Canada
A rare fossil discovery marks the first time a tyrannosaur’s stomach contents have been found, a new study says. The young apex predator was a cousin of T. rex.
[1] [2] The most authoritative general source in the field is the second (2004) edition of The Dinosauria. The vast majority of names listed below are sourced to Olshevsky's list, and all subjective determinations (such as junior synonymy or non-dinosaurian status) are based on The Dinosauria, except where they conflict with primary literature ...