Keighley, Dave G., and Ron K. Pickerill. “Systematic Ichnology of the Mabou and Cumberland Groups (Carboniferous) of Western Cape Breton Island, Eastern Canada, 1: Burrows, Pits, Trails, and Coprolites”. Atlantic Geoscience 33, no. 3 (October 1, 1997). Accessed April 26, 2024. https://journals.lib.unb.ca/index.php/ag/article/view/2068.