Dixon, F. (1850)
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
Kiprijanoff, V. (1881)
Fisch-Überreste im kurskischen eisenhaltigen Sandsteine oder Siwerischen Osteolith. Bulletin de la Société Impériale des Naturalistes de Moscou, 56(3), 1–30
Woodward, A.S. (1888)
A synopsis of the vertebrate fossils of the English Chalk. Proceedings of the Geologists' Association, 10(5/6), 273–338, 1 pl.
DOI: 10.1016/S0016-7878(88)80065-8
Woodward, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
Dibley, G.E. (1911)
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10
Herman, J. (1977)
Les Sélaciens des terrains néocrétacés et paléocènes de Belgique et des contrées limitrophes. Eléments d'une biostratigraphie intercontinentale. Mémoires pour servir à l'explication des Cartes géologiques et minières de la Belgique, 15, 1–401
Hamm, S.A. (2020)
Stratigraphic, Geographic, and Paleoecological Distribution of the Late Cretaceous Shark Genus Ptychodus within the Western Interior Seaway, North America. New Mexico Museum of Natural History and Science, Bulletin, 81, 1–94