Half-a-billion-year-old 3-eyed sea creature dubbed 'Mosura' breathed through big gills on its butt
When you purchase through links on our site , we may earn an affiliate commission . Here ’s how it run . Half a billion years ago , a feisty predator flap around the primordial seas , abstract prey into its mouth while catch one’s breath through long gills on its tail end . research worker latterly discover this 506 million - class - honest-to-god creature , calledMosura fentoni , in a hoard of museum fogy in Canada ....