(2016), Bothriolepis rex is from the Nordstrand Point Formation of Ellesmere Island, Canada. B. rex's body length is estimated at  and is, therefore, the largest known species of Bothriolepis.
Bothriolepis rex, discovered in (2016), hails from the Nordstrand Point Formation on Ellesmere Island, Canada. The body length of B. rex is estimated to be , making it the largest recognized species of Bothriolepis.