JOBSON, L.; PAUL, C. Compagicrinus fenestratus, a new Lower Ordovician inadunate crinoid from North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 91, p. 71–81, 1979. DOI: 10.34194/rapggu.v91.7622. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7622. Acesso em: 3 jul. 2024.