Trilobites, prehistoric sea creatures, had so-called median eyes, single eyes on their foreheads, in addition to their compound eyes, research conducted by Dr. Brigitte Schoenemann at the University ...

Five hundred million years ago, the oceans teemed with trillions of trilobites - a now extinct group of marine arthropods ruling the seas for more than 270 million years. Over 20,000 species have been ...

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 ...

Researchers have detected previously overlooked eyes whose form and function could help to improve the evolutionary classification of archaic arthropods. Trilobites, prehistoric sea creatures, had ...