Dinosaurs: Bactrosaurus, "the mallet lizard"

Dinosaurs: Bactrosaurus,

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Bactrosaurus file

Translation: Mallet lizard
Description: Herbivore, bipedal
Order: Ornithischia
Suborder: Ornithopoda
Infraorder: Iguanodontia
Family: Hadrosauridae
Height: 2.4 meters
Length: 6.1 meters
Weight: 1,100 - 1,500
Period: Upper Cretaceous

Bactrosaurus is one of the first hadrosaurs known duck-billed, which inhabited eastern China and Mongolia in the late Cretaceous, 70 million years ago.

While you don't have a complete Bactrosaurus skeleton, is one of the hadrosaurs and one of the best known.

Bactrosaurus characteristics

The Bactrosaurus could have reached 6 meters long, 2 high, and weigh between 1,100 and 1,500 kilos.

These measurements are assumed thanks to a femur of this dinosaur, which was 80 cm long.

It had fewer teeth than posterior hadrosaurs, but thanks to those that have been found, paleontologists believe that it could be an early relative of the Lambeosaurus.

Initially, Bactrosaurus was described as lacking a crest, which would be typical of an iguanodon, but later studies of this dinosaur and new pieces found, show what appears to be the base of a ridge.

Cancer in Bactrosaurus

In 2003, tumors, including hemangiomas, desmoplastic fibroma, metastatic cancer, and osteoblastoma, were discovered in several fossilized Bactrosaurus skeletons through tomography.

They were examined near 10,000 fossils of different species, but tumors were limited to this dinosaur and closely related genera As the Brachylophosaurus, Gilmoreosaurus and the Edmontosaurus.

Image: Stock photos - By severjn on Shutterstock

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