A discovery made over half a century ago in Antelope Springs, Utah, continues to raise eyebrows in the scientific community.

Fossil specimen of Ctenorhabdotus campanelliformis from the mid-Cambrian Marjum Formation in Utah. Light photograph (left), elemental map showing nervous system as carbon films (center), and ...

Focused on Cambrian fossils, the study reanimates a species long trapped in the pages of forgotten paleontology.