Bathyurus esbataottinensis was named by Ludvigsen (1979) [Paratypes: GSC 57963-57966, 43947-43985, 40432-40434]. Its type specimen is GSC 40431, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is District of Mackenzie Ceraurus gabrielsi zone, which is in a Blackriveran carbonate limestone in the Sunblood, Esbataottine Formation of Canada.