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Binomial Name Daspletosaurus sp. (species currently unknown) ex Family Name Tyrannosauridae Height 12 ft (3.7 m) Length 21 ft (6.3 m) Estimated Weight 6,000 lbs (2700 kg) yrannosaurus r Diet Carnivore T When It Lived Cretaceous: 80 - 73 million years ago Where It Lived Western North America Daspletosaurus

Although the idea within tyrannosaurs.my genus do not Many even of have the discovered a name yet. species Out that I may have been a scavenger has received a great of all the tyrannosaurs of western North America, deal of media attention, most scientists maintain is theMy most genus, varied Daspletosaurus, out of all that the available evidence indicates I was a predator. I am the closest known relative of the Binomial Name Tyrannosaurus rex Tyrannosaurus rex and may even be its Family Name Tyrannosauridae Height 16 ft (5 m) direct ancestor. Length 43 ft (13 m) Estimated Weight 15,000 lbs (6800 kg) Diet Carnivore When It Lived Cretaceous: 65 million years ago

Discover your inner explorer. Try these search terms for more information: Where It Lived Western North America Cretaceous dinosaurs, dinosaur fossil locations, and dinosaurs of North America 6 Print this fact booklet off our website www.worldtreasures.org

Copyright 2010 by Museum of World Treasures I had two different types of teeth: small pointy ones in the frontMORE of the mouth, andABOUT leaf-shaped ones in OURthe back. These DINOSAURS two different types of teeth are considered by some scientistsFact to Sheet be evidence us ct Binomial Name Edmontosaurus annectens le g Family Name Hadrosauridae losaurus ne Height 15 ft (4.6 m) sce The Length 40 ft (12.2 m) I had two different types of teeth: small Estimated Weight 7,000 lbs (3200 kg) pointy ones in the front of the mouth, and Diet Herbivore leaf-shaped ones in the back. Some scientists When It Lived Cretaceous: 71 - 65 million years ago consider these two different types of teeth to be Where It Lived Western North America evidence that I was an omnivore.

Binomial Name Thescelosaurus neglectus Family Name Hypsilophodontidae Height 3 ft (1 m) Length 12 ft (3.7 m) Estimated Weight 550 lbs (250 kg) I was a large Diet Herbivore, possibly omnivore herbivore with a When It Lived Cretaceous: 65 million years ago characterstic “duck bill.” I had a Where It Lived Western North America mouth made up of as many as 1,000 tiny teeth in the back of my Binomial Name Triceratops horridus jaw, but I used them for Family Name Ceratopsidae eating my vegetables. I Height 10 ft (3 m) lived in herds of up to 1,000

Length 28 ft (8.5 m) Edmontosauruses for protection. s

Estimated Weight 26,000 lbs (11,800 kg) u Because my nostrils were large and s

n d hollow, scientists speculate that my

Diet Herbivore i e r nose was used to make loud t When It Lived Cretaceous: 68 - 65 million years ago r c o bellowing sounds for Where It Lived Western North America e h communication. n n My frill behind my horns has traces of blood vessels running across its s a surface like tiny empty river basins. Because of this, scientists think my p s to u frill was covered with skin or keratin (a horn-like substance). I used it for r ra u protection against predators or to communicate with other Triceratopses. e sa ic to Tr on m Discover your inner explorer. Try these search terms for more information: d Cretaceous dinosaurs, dinosaur fossil locations, and dinosaurs of North America E 6 Print this fact booklet off our website www.worldtreasures.org

Copyright 2010 by Museum of World Treasures