Tokummia ROM63826 dorso-ventrally preserved specimen showing a pair of large pincers (maxillipeds) at the front preserved almost symmetrically. | Jean-Bernard Caron/Royal Ontario Museum

The Fossil of a Half-Billion-Year-Old, 50-Legged Arthropod Was Found in Canada

The 4-inch-long creature, named Tokummia katalepsis, was discovered in sedimentary rock in Kootenay National Park in British Columbia.

Published On 04/28/2017
4:15 PM EDT
Lars Fields
Cédric Aria cutting into the fossiliferous beds at Marble Canyon quarry at Kootenay National Park during the summer 2014 fieldwork season. | Jean-Bernard Caron/Royal Ontario Museum