Pickerill, R. K., L. R. Fyffe, et W. H. Forbes. « Late Ordovician-Early Silurian Trace Fossils from the Matapedia Group, Tobique River, Western New Brunswick, Canada. II. Additional Discoveries With Descriptions and Comments ». Atlantic Geoscience 24, no. 2 (août 1, 1988). Consulté le septembre 27, 2024. https://journals.lib.unb.ca/index.php/ag/article/view/1646.