DEBRENNE, F.; PEEL, J. Archaeocyatha from the Lower Cambrian of Peary Land, central North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 132, p. 39–50, 1986. DOI: 10.34194/rapggu.v132.7963. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7963. Acesso em: 3 jul. 2024.