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 ...

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 ...

Fossils from 465 million years ago recently discovered in Portugal have revealed the huge size reached by trilobites, the most diverse group of extinct marine arthropods. Geologists describe the ...

"Trilobites hold the distinction of being among the world's first dominant forms of complex animal life, arthropods that rank second only to the hallowed dinosaur in terms of their paleontological ...

For more than 270 million years, trilobites were among the most successful and diverse creatures on Earth, with over 22,000 known species spanning the Paleozoic Era. Yet, despite their abundance in ...

Finding a 475-million-year-old fossil intact is a rare achievement even for top paleontologists. That’s why Dr. Colin Sumrall, Associate Professor of Paleobiology at the University of Tennessee, was ...

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, ...

BLOOMFIELD HILLS, Mich. (WXYZ) — Cranbrook Institute of Science will welcome a new traveling exhibition, Trilobite Treasures: Arthropods of the Ancient Seas, to the ...

A Twitter battle preceded the House vote on a Narragansett high school student’s idea of honoring the extinct marine arthropods PROVIDENCE — They haven’t gotten a lot of love since their heyday back ...

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 ...

Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...