Add Yahoo as a preferred source to see more of our stories on Google. A variety of trilobite fossils embedded in sediment. Trilobites, a group of extinct marine arthropods, had a hidden third eye — ...

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 ...

"Overall, everything about this compound eye looks modern—“comparable to that of living bees, dragonflies and many diurnal [daylight-dwelling] Crustaceans,” the researchers write. That would show just ...

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 ...