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The Great Permian Extinction was the most devastating event ever on Earth. Scientists still debate exact cause, whether it was gradual over thousands of years, or because of sudden catastrophic events.
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Illustration by Julio Lacerda
#paleoart #permian
This North American duck-billed dinosaur lived near the end of the Cretaceous. It could grow as big, or even larger than a Tyrannosaurus.
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Illustration by Nathan E. Rogers
#paleoart #dinosaurs
Amargasaurus was a sauropod known from Cretaceous rocks of western Argentina. Although once thought to support a double sail on its neck, paleontologists now think the long spines were freestanding.
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Illustration by Nathan E. Rogers
#paleoart #dinosaurs
The discovery of this "first bird” from the Jurassic Period of Germany in 1861 ignited the idea that birds descended from dinosaurs. Paleontologists still debate the precise nature of Archaeopteryx's flight.
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Illustration by Franz Anthony
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Dakotaraptor was a 5-6 m (16-20 ft) long dromaeosaur from the Hell Creek Formation. Despite being too large to fly, its fossils showed quill knobs, suggesting the animal was feathered.
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Illustration by Nathan E. Rogers
#paleoart #paleontology
Unlike its close relative the plate-backed Stegosaurus, Kentrosaurus sported a paired set of spikes on its back. Its shoulders were also armed with similar spikes, which were likely used for self-defense.
Illustration by Nathan E. Rogers
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Camarasaurus was a common animal in Late Jurassic North America. Its name is taken from the Greek word kamara, meaning vaulted chamber, which refers to its hollow backbone.
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Illustration by Antonin Jury
#paleoart #paleontology
Around 30 million years ago, grasslands started to spread across the globe. These plants grew hardier, forcing mammals from tiny rodents to big grazers like horses to adapt and diversify.
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Illustration by @franzanth
#paleoart #paleontology