Video

Discover a Colossal Prehistoric Millipede as Long as an Alligator

Published October 15, 2025

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Imagine a world where colossal millipedes ruled the land. Enter the Arthropleura, an 8-foot giant that dominated Earth’s landscapes 345-290 million years ago, long before dinosaurs appeared. Join us on a journey through time as we uncover the secrets of this prehistoric behemoth from the Carboniferous period and its incredible contemporaries in the latest video from A-Z-Animals.

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A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.