Meet Mosura fentoni, a bizarre 506-million-year-old “sea-moth” with three eyes, claws, and an abdomen full of gills. This ancient predator sheds light on arthropod evolution and reveals stunning internal anatomy from a fossil site like no other. Credit: Danielle Dufault, © ROM, edited A newly uncovered 506-million-year-old creature called Mosura fentoni is rewriting the story of early ocean life. With three eyes, tooth-lined jaws, and gill-lined abdominal segments, it’s a strange but telling fossil from the Burgess Shale. A New Predator Emerges From Deep Time Paleontologists from the Manitoba Museum and the Royal Ontario Museum (ROM) have uncovered an extraordinary...