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Early Jurassic to Late Cretaceous, Marine reptiles with long necks and small heads

Mid-Cretaceous, One of the largest known terrestrial carnivores with a long skull and serrated teeth

Late Cretaceous, Known for its thick domed skull, possibly used in head-butting contests

Late Cretaceous, Herbivorous with three distinct horns and a large frill

Early Triassic to Late Cretaceous, Dolphin-like marine reptiles highly adapted to life in water

Neogene, Massive prehistoric shark, considerably larger than modern great whites

Late Cretaceous, Armored dinosaur with a large club at the end of its tail

Late Jurassic, Often cited as the earliest known bird, capable of flight with feathered wings

Late Cretaceous, Carnivorous and bipedal with a massive skull

Late Jurassic, Known for row of plates along its back and spiked tail

Early Permian, Not a dinosaur, but a prehistoric synapsid with a distinctive sail on its back

Late Cretaceous, Known for its large, elaborate cranial crest

Late Jurassic, Extraordinarily long tail and neck with peg-like teeth for stripping foliage

Late Cretaceous, Plesiosaur with an extremely long neck, making up half of the body length

Late Triassic to the end of the Cretaceous, Winged reptiles with pterodactyloid morphotype

Late Cretaceous, One of the largest known flying creatures of all time

Late Cretaceous, Small bipedal carnivore with a sickle-shaped claw on each hindfoot

Early to Late Cretaceous, Carnivorous with a sail-like structure on back and possibly a semi-aquatic lifestyle

Late Pleistocene, Most famous for its elongated canine teeth and robust build

Late Jurassic, Name means 'arm lizard', Giraffe-like stance and elongated neck

Pliocene to Holocene, Large elephant-like body with long tusks and a hairy coat

Late Jurassic, Apex predator with large skull and articulated jaw

Late Jurassic, Massive sauropod once mistakenly identified as Brontosaurus

Late Triassic, Early theropod dinosaur known for its slender body and long legs