If you've ever visited the fossil gallery of a natural history museum—or its gift shop, for that matter—you've probably seen the armored body remains (or exoskeletons) of an extinct group of animals ...

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 ...

A fossil bed in the High Atlas Mountains of Morocco is allowing new insights into the anatomies of arthropods that lived a half-billion years ago. By Jack Tamisiea Jack Tamisiea has previously ...

Researchers have described some of the best-preserved three-dimensional trilobite fossils ever discovered. The fossils, which are more than 500 million years old, were collected in the High Atlas of ...

A recent study shows that marine oxygen levels were crucial to the evolution of early Paleozoic trilobite body size, suggesting that oxygen may have influenced the evolution of other animals' body ...

Scientists have uncovered intricately preserved fossils of trilobites that are providing new insights into the extinct invertebrates’ anatomy. The animals had been buried in modern-day Morocco after ...

A new study finds that a trilobite species with exceptionally well-preserved fossils from upstate New York has an additional set of legs underneath its head. The research suggests that having a fifth ...

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 ...

This image represents one illustration of how the trilobite fossil may have been set as an amulet or pendant. Fernández-Fernández, A., Valle-Abad, P., Rodríguez -Nóvoa, A.A. et al. Significance of ...

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 ...

We know a great deal about the diversity, lifestyles and evolution of these iconic invertebrate fossils. More than 22,000 species of trilobite have been named. This is largely because the trilobite ...