Two species of myllokunmingiid fishes that lived in what is now China around 518 million years ago (Cambrian period) possessed two large lateral eyes and two smaller, centrally positioned eyes, according to new research led by Yunnan University paleontologists. An artist’s reconstruction of a myllokunmingiid with four eyes that helped it see and navigate its ancient world. Image credit: Xiangtong Lei & Sihang Zhang. The myllokunmingiids are...
