Nielsen, E. (1952)
On a new or little known Edestidae from the Permian and Triassic of East Greenland. Palaeozoologica Groenlandica, 6, 5–55

Nielsen, E. (1932)
Permo-Carboniferous Fishes from East Greenland. Meddelelser om Grønland, 86(3), 1–63