During an excavation project at a 2,000-year-old settlement in Spain, a team of archaeologists came across a specimen that was confirmed to be the first-ever trilobite fossil from the Roman era. It ...

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 ...

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 ...