Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trilobites were one ...

An artistic reconstruction of two species of trilobite swimming in the sea A sea creature that lived millions of years ago has been discovered in a “remarkable state of preservation” by scientists.

Over 300 million years, trilobites evolved a diverse and successful array of forms while maintaining a simple, common body plan. Related Article Three vertical lobes BODY PLAN Trilobites had three ...

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 ...

With all of the news about irreversible global warming and environmental collapse, it’s time to take a look at one of the Earth’s mega-survivors: the versatile Trilobite. Throughout the Paleozoic era, ...

A newly discovered 460-million-year-old trilobite showed signs of being shaped and flattened—the first indication that ancient Romans purposely collected and modified the tiny fossils. A computer ...

Trilobites — prehistoric, woodlice-like sea creatures that lived from 521–251.9 million years ago — had a “third eye” in the centre of their foreheads. This is the conclusion of palaeontologists from ...

The trilobites go marching one by one, hurrah, hurrah … well, at least they did, some 480 million years ago. New fossils from Morocco show lines of trilobites in orderly queues, likely buried by a ...

A restoration of the tiny trilobite Ctenopyge ceciliae. From Schoenemann et al, 2010. These simplified illustrations of prehistoric sea life did not do the trilobites justice. Time and again they were ...

Buried beneath layers of volcanic ash for over half a billion years, a set of newly unearthed trilobite fossils from Morocco is reshaping the scientific understanding of one of Earth’s earliest and ...