POULSEN, Valdemar. Contribution to the Lower and Middle Cambrian paleontology and stratigraphy of northwest Greenland. Meddelelser om Grønland, [S. l.], v. 164, n. 6, p. 1–105, 1964. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/160931. Acesso em: 29 dec. 2025.