Niall. J. Mateer 
Department of Geology, McMurrey College, Abilene, Texas 79697, USA.
Mateer N. J., 1974, The Pterosaur Collection, De Rebus in Palaeontology Museo Upsaliensi Collectis-Illustr. [Catalogue of the type collections of the Palaeontology Museum of the University of Uppsala, Sweden] 2, pp. 14-18.
Mateer N. J., 1976, A study of Pteranodon. Uppsala University, Geological Institutions, Bulletin, new series, vol. 6, pp. 23-33