Twenty-foot-long giant centipede with lethal venom.
Flying reptile from the Permian period, about 250 million years ago.
Thick-skulled dinosaur from the Late Cretaceous.
Desert predator that detects prey via vibrations in the sand.
From the Carboniferous Period, a primitive relative of the modern spider.
Dinosaur from mid-Cretaceous, larger than T. Rex.
Saber-toothed predator from the Permian period.
Rhino-sized running predator with powerful jaws.
‘Boar crocodile’ with three sets of tusk-like teeth.
Parasitic organism that brings dead hosts back to life.
Short-legged and large-headed aquatic carnivore.
Herd herbivore that dominated the open grasslands between the recent Ice Ages.
Evolved from carnivorous beetles, uses large compound eyes to detect prey.
Future creature, part seal or walrus and part mandrill or baboon.
Snake-like sea serpent measuring nearly 65 feet long.
Wingless bat with lightning-fast reflexes from the future, uses high-frequency sonar to track prey.
Ancient crocodile with long legs, hooves and the ability to run.
Aerial giant with a wing span of over 30 feet
Dinosaur with lightweight skeleton, long arms and sickle-shaped claw on its second toe.
Large passive herbivore weighing about 5.5 tons.
Saber-toothed cat from the late Pleistocene Epoch.
Largest of all carnivorous dinosaurs, with 6-foot-long spines.
Fast terrestrial predators with meat hook-like wings.
Mammal-like creature—the earliest known venomous vertebrates.
Arboreal dinosaur with ability to climb tall structures.
Color-changing mammal with sharp teeth and yellow eyes.
Related to the pigeon, flightless bird with portly frame and stubby wings.
Engulfed in stinking fog, large enough to consume a human.
Burrowing herbivore from the late Permian Period.
Carnivorous, 10-foot-long insect from the future.
Marine reptile from the Middle Jurassic Period.
A dinosaur found in southern England during the Middle Jurassic period.
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