1. Allen, K.C. 1965. Lower and Middle Devonian spores of North and Central Vestspitsbergen. Palaeontology, 8, pp. 687–748.
2. Allen, K.C. 1967. Spore assemblages and their stratigraphical application in the Lower and Middle Devonian of North and Central Vestspitsbergen. Palaeontology, 10, pp. 280–297.
3. Allen, K.C. 1972. Devonian megaspores from East Greenland: their bearing on the development of certain trends. Review of Palaeobotany and Palynology, 14, pp. 7–17. https://doi.org/10.1016/0034-6667(72)90004-8
4. Allen, K.C. 1973. Further information on the Lower and Middle Devonian spores from Dickson Land, Spitsbergen. Norsk Polarinstitutt Årbok 1971, pp. 43–54.
5. Allen, K.C. 1982. Samarisporites triangulatus Allen, 1965, an important Devonian miospore, and its synonymous species. Pollen et Spores, 24, pp. 157–166.