Keighley, Dave G., and Ron K. Pickerill. “Ichnocoenoses from the Carboniferous of Eastern Canada and Their Implications for the Recognition of Ichnofacies in Nonmarine Strata”. Atlantic Geoscience 39, no. 1 (January 1, 2003). Accessed May 4, 2024. https://journals.lib.unb.ca/index.php/ag/article/view/1046.