Conway, K. W., M. Krautter, J. V. Barrie, and M. Neuweiler. “Hexactinellid Sponge Reefs on the Canadian Continental Shelf: A Unique ‘Living Fossil’”. Geoscience Canada, vol. 28, no. 2, June 2001, https://journals.lib.unb.ca/index.php/GC/article/view/4076.