Eurypterids
Eurypterids, often informally called sea scorpions, are a group of extinct arthropods that form the order Eurypterida. The earliest known eurypterids date to the Darriwilian stage of the Ordovician...
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Best & Worst of Dinosaurs
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Dinosaurs are the coolest things on the planet! Which dinosaur both real and a work of fiction were the best and worst?
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