Jarvik, Erik. “On the Fish-Like Tail in the Ichthyostegid Stegocephalians With Descriptions of a New Stegocephalian and a New Crossopterygian from the Upper Devonian of East Greenland”. Meddelelser Om Grønland, vol. 114, no. 12, July 2026, p. 90 pp., 21 plates., https://tidsskrift.dk/meddrgroenland/article/view/170095.