Ryan RJ. Photographs from article"Fossil Myriapod Trails in the Permo-Carboniferous Strata of Northern Nova Scotia, Canada", vol. 22 # 2. atlgeo [Internet]. 1986 Dec. 1 [cited 2024 Apr. 25];22(3). Available from: https://journals.lib.unb.ca/index.php/ag/article/view/1615