Bendix-Almgreen, S.E, J.A Clack, and H Olsen. “Upper Devonian and Upper Permian Vertebrates Collected in 1987 Around Kejser Franz Joseph Fjord, Central East Greenland”. Rapport Grønlands Geologiske Undersøgelse 140 (December 31, 1988): 95–102. Accessed November 27, 2024. https://geusjournals.org/index.php/rapggu/article/view/8045.