FLOWER, R. A new ruedemannoceratid cephalopod from the Ordovician of western North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 91, p. 93–97, 1979. DOI: 10.34194/rapggu.v91.7626. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7626. Acesso em: 3 jul. 2024.