TRÜMPY, Rudolf. Lower Triassic ammonites from Jameson Land (East Greenland). Meddelelser om Grønland, [S. l.], v. 168, n. 2, p. 77–116, 1969. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/160476. Acesso em: 28 dec. 2025.