Bujak, Jonathan, Manuel Bringué, Anna A. Goryacheva, Natalia K. Lebedeva, Ekaterina B. Pestchevitskaya, James B. Riding, and Morten Smelror. “Jurassic Palynoevents in the Circum-Arctic Region”. Atlantic Geoscience 58 (May 30, 2022): 055–098. Accessed April 4, 2025. https://journals.lib.unb.ca/index.php/ag/article/view/32852.