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481392
Caption: Brachiosaurus, late Jurassic to early Cretaceous dinosaur, one of the largest, heaviest and tallest dinosaurs
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.97 MB
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481336
Caption: Hypsilophodon, early Cretaceous dinosaur. Small and fast, this herbivore had self-sharpening teeth and pouches in its cheeks.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 6.88 MB
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481223
Caption: Early Cretaceous dinosaur Deinonychus, whose name means 'terrible claw,' after the huge, sharp claws on each of its second toes
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.04 MB
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481042
Caption: Ornithomimus, late Cretaceous dinosaur. A swift omnivore with a small head and toothless beak, its name means 'bird mimic.'
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 9.43 MB
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481471
Caption: Iguanodon, early Cretaceous dinosaur. A massive herbivore with a horny beak and cheek teeth for grinding vegetation.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 6.21 MB
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481486
Caption: Late Cretaceous dinosaur, Euoplocephalus, meaning 'well-armored head,' also had bony horns, plates, studs and a clubbed tail
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 6.32 MB
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481427
Caption: Protoceratops, 'first horned face,' late Cretaceous Period. Solidly built, this herbivore had a parrotlike beak and bony frill.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 6.79 MB
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481251
Caption: Triceratops, 'three-horned face,' massive late Cretaceous herbivore that was one of the last and most numerous of dinosaurs.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.48 MB
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481449
Caption: Parasaurolophus, 'beside Saurolophus,' a late Cretaceous herbivore with a hollow crest extending from the back of its skull.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.66 MB
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481116
Caption: Troodon, 'wounding tooth,' late Cretaceous dinosaur. This birdlike predator had binocular vision and a relatively large brain.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.35 MB
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481551
Caption: Shantungosaurus, 'Shantung lizard,' late Cretaceous dinosaur. This flat-headed herbivore had an extended jaw to hold many teeth.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.63 MB
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481036
Caption: Lambeosaurus, 'Lambe's lizard,' late Cretaceous dinosaur. A robust herbivore with a distinctive head crest.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 11.04 MB
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480988
Caption: Pachycephalosaurus, 'thick-headed lizard,' a late Cretaceous Era herbivore with a distinctive dome-shaped skull and spiky snout.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.17 MB
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481135
Caption: Oviraptor, 'egg thief' or 'egg robber,' late Cretaceous dinosaur. A birdlike predator with a crest and a horny beak.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 9.07 MB
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481131
Caption: Skeleton of the dinosaur Troodon, a late Cretaceous birdlike predator with large eyes and a relatively large brain.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.21 MB
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480996
Caption: Tyrannosaurus, 'tyrant lizard,' late Cretaceous dinosaur. A large, powerful predator with an enormous head and serrated teeth.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.15 MB
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481505
Caption: Skeleton of the dinosaur Tyrannosaurus, a late Cretaceous predator with an enormous head and serrated teeth.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.11 MB
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481412
Caption: Psittacosaurus, 'parrot lizard,' early Cretaceous dinosaur, small herbivore with a short head, parrotlike beak and cheek horns.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.74 MB
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481390
Caption: Velociraptor, 'quick plunderer,' a ferocious late Cretaceous predator with large sickle-shaped claws on its second toes.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.15 MB
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481386
Caption: Apatosaurus ('deceptive lizard,' formerly known as Brontosaurus), a massive herbivorous dinosaur from the Late Jurassic era.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.88 MB
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481259
Caption: Evolutionary rates of three proteins: fibrinopeptides (very fast), hemoglobin (intermediate), and cytochrome c (slow).
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 3.19 MB
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481072
Caption: A geologic time scale shows major evolutionary events from 650 million years ago to the present.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.21 MB