NIELSEN, Eigil. Studies on Triassic fishes. II. Australosomus and Birgeria. Meddelelser om Grønland, [S. l.], v. 146, n. 1, p. 309 pp., 20 plates, 1949. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/165285. Acesso em: 8 feb. 2026.