Massive new animal species discovered in half-billion-year-old Burgess Shale

Palaeontologists have uncovered the remains of a huge new fossil species, an estimated length of half a meter, belonging to an extinct animal group, in the half-a-billion-year-old Cambrian rocks from Kootenay National Park in Canada.

source https://www.sciencedaily.com/releases/2021/09/210908062548.htm