Daspletosaurus

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Daspletosaurus
Temporal range: Upper Cretaceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Tyrannosauridae
Genus: Daspletosaurus
Russell, 1970
Species
  • D. torosus
    Russell, 1970 (type)

Daspletosaurus (meaning "frightful lizard") was a tyrannosaurid theropod dinosaur that was 26-33 feet (8-10 m) long and weighed perhaps 2-3.5 tons (2300 kg).

It had tiny horns behind its eyes and its arms were a bit longer than those of T. rex. It may have been an ancestor of T. rex. This bipedal meat-eater lived in marshes by streams in what is now Alberta, Canada, during the late Cretaceous period, 76-72 million years ago. It may have preyed upon Triceratops. It was named by D.A. Russell in 1970. The type species is D. torosus.