Trilobite fossils from upstate New York reveal ‘extra’ set of legs

Trilobite fossils from upstate New York reveal ‘extra’ set of legs

A new study finds that a trilobite species with exceptionally well-preserved fossils from upstate New York has an additional set of legs underneath its head. The research, led by the American Museum of Natural History and Nanjing University in China, suggests that having a fifth pair of head appendages might be more widespread among trilobites … Read more