X-rays of 390 million-year-old trilobite fossil show it had hundreds of tiny eyes inside each eye
[ad_1] Researchers examining decades-old x-rays of a 390-million-year-old trilobite fossil found that it had a very unique ocular structure made up of 200 large lenses in each eye. Phacops geesops, a trilobite of the suborder Phacopina, lived in the Devonian, about 390 million years ago. Under each optical lens in each of the eyes of … Read more