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Paleontologists studying rocks from Morocco have unearthed the most exquisitely preserved trilobite fossils yet discovered. The new lifelike fossils update our understanding of the evolution and ...

Researchers describe unusual trilobite fossils prepared as thin sections showing the 3D soft tissues during enrollment. The study reveals the soft undersides of enrolled trilobites and the ...

Thanks to their easily fossilized exoskeleton, trilobites largely dominate the fossil record of early complex animal life. However, trilobite appendages and the anatomy of the underside of their body ...

About half a billion years ago, a volcanic eruption near a shallow sea in what’s now Morocco preserved some of the most complete specimens ever found of buglike sea creatures called trilobites, ...

New research helps explain how some ancient species hunted and fed, and highlights the shell-crushing power of one large trilobite. By Cara Giaimo Hundreds of millions of years ago, trilobites filled ...

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

The fossil record is chock-full of the fossilized remains of spiral-shelled ammonoids, whose shapes are reminiscent of rams’ horns. But there was another type of ammonoid with long, straight, uncoiled ...

Cephalopods are often characterized by their tentacles, creative camouflage, inky getaways and impressive feats of intelligence. When you purchase through links on our site, we may earn an affiliate ...

WOODS HOLE — Their donut-shaped brains are the largest of any invertebrate on the planet. Their eight highly flexible arms each have hundreds of suckers and millions of neurons that can sense their ...