Spicomellus afer: Africa’s First Ankylosaur Looks Like a Monster Straight Out of a Movie

Paleontologists have unveiled Spicomellus afer, the oldest and strangest ankylosaur ever found—and the very first discovered on the African continent. Unearthed from 168-million-year-old Middle Jurᴀssic rocks in Morocco’s Middle Atlas Mountains, this armored dinosaur possessed a defensive system so bizarre it could have been designed by Hollywood: long, conical spikes fused directly to its ribs.

In every other known armored dinosaur, osteoderms sit embedded in the skin, separate from the skeleton. Spicomellus breaks that rule entirely. Its terrifying spikes grew straight out of the rib bones, creating a rigid, living fortress unlike anything in the vertebrate fossil record. “When we first saw it, we thought it must be a fake,” said Dr. Susannah Maidment of the Natural History Museum, London. “No animal has ever done this before.”

At roughly 3–4 meters long, the creature was a low-slung herbivore that shared its world with early stegosaurs and sauropods. Its discovery proves ankylosaurs had already spread across both Laurasia and Gondwana by the Middle Jurᴀssic—long before they vanished from southern continents.

The name Spicomellus (“spiky chain-mail”) captures its movie-monster appearance: a walking fortress bristling with rib-mounted spears. The find also highlights Morocco’s rising status as a paleontological H๏τspot and forces scientists to rethink how armored dinosaurs evolved their defenses.

After 168 million years, Spicomellus has emerged as one of the most alien-looking dinosaurs on record—a real-life creature that looks like it escaped from a Jurᴀssic blockbuster.