 On the same trip he examined a burial, of unknown age, with a drilled trilobite fossil lying in the chest cavity of the interred.Since then, trilobite amulets have been found all over the Great Basin, as well as in British Columbia and Australia.In the 1880s, archaeologists discovered in the Grotte du Trilobite (Caves of Arcy-sur-Cure, Yonne, France) a much-handled trilobite fossil that had been drilled as if to be worn as a pendant.