FORTEY, R. Early Ordovician trilobites from the Wandel Valley Formation, eastern North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 132, p. 15–25, 1986. DOI: 10.34194/rapggu.v132.7959. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7959. Acesso em: 3 jul. 2024.