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A giant amphibian, Koolasuchus. He has massively powerful jaws, weighed about half-a-ton, and is a carnivore.
— Allen, about Koolasuchus
in Ice Forest Spirits
Koolasuchus (name meaning "Kool's Crocodile") is a genus of brachyopoid temnospondyl that originated during the Middle Cretaceous period in what is now Australia. Measuring 4 meters long and weighing half a ton, this is perhaps the largest prehistoric amphibian of all time.

In the Series 2 episode "Ice Forest Spirits", a pair of Koolasuchus were saved from prehistoric Antarctica during the Mid-Cretaceous 106 million years ago.

FactsEdit

Era & DiscoveryEdit

One of the apex predators of its time and region, Koolasuchus lived in Antarctican during the Early to Middle Cretaceous period over 106 million years ago. Koolasuchus cleelandi was discovered and named in 1997.

During the Cretaceous, competition from crocodiles had begun to drive these magnificent amphibians to extinction. However, while the waters in prehistoric Antarctica were too cold for crocodiles, the world's last remanence of Koolasuchus survived, still patrolling the waterways, just as their ancestors did 150 million years before them.

Physical AttributesEdit

Giant, bizarre-looking, amphibious creatures described as "relics from a time before dinosaurs", Koolasuchus was a carnivorous amphibian that measured 13 feet (4 m) long and weighed half a ton (1,000 lbs.) They also had massively powerful jaws.

Behavior & TraitsEdit

In the water Koolasuchus was lethal, but on land, their legs had trouble dragging their bulk around…and they were no threat to even the little dinosaurs. During winter, they hibernated in swamps in forests and spent their summer in rivers.

GalleryEdit

Trivia Edit

  • Koolasuchus was the largest and the last prehistoric amphibian to be brought to the park.
  • The sound effects of Koolasuchus are that of amphibian, crocodile, sea lion, seal, and walrus sound effects.
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