Trace fossils from the Lower Cambrian Bastion Formation of North-East Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 147, p. 5–43, 1990. DOI: 10.34194/rapggu.v147.8105. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/8105. Acesso em: 25 dec. 2025.