EGERTON, P. (1837)
A systematic and stratigraphical cataloge of the fossil fish in the cabinets of Lord Cole and Sir Philip Grey Egerton : together with an alphabetical and stratigraphical catalogue of the same species with references to their published figures and descriptions. London, 1837
DOI: 10.5962/bhl.title.23781
GEINITZ, H.B. (1839)
Characteristik der Schichten und Petrefacten des sächsisch-böhmischen Kreidegebirges, sowie der Versteinerungen von Kieslingswalda. Leipzig (ARNOLD): 116 p., 25 pl.
AGASSIZ, L. (1843)
Recherches sur les poissons fossiles. Volume 3 with plates
GIEBEL, C.G. (1848)
Die Fische der Vorwelt, mit steter Berücksichtigung der lebenden Fische. Erster Band: Wirbelthiere. Dritte Abtheilung: Fische: i–xii, 1–467. Leipzig (Brockhaus).
DIXON, F. (1850)
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
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: 401 p., 25 fig., 21 pl.
AMADORI, M. & AMALFITANO, J. & GIUSBERTI, L. & FORNACIARI, E. & LUCIANI, V. & CARNEVALE, G. & KRIWET, J. (2019)
First associated tooth set of a high-cusped Ptychodus (Chondrichthyes, Elasmobranchii) from the Upper Cretaceous of northeastern Italy, and resurrection of Ptychodus altior Agassiz, 1835. Cretaceous Research, 93: 330-345
DOI: 10.1016/j.cretres.2018.10.002
AMADORI, M. & AMALFITANO, J. & GIUSBERTI, L. & FORNACIARI, E. & LUCIANI, V. & CARNEVALE, G. & KRIWET, J. (2019)
First associated tooth set of a high-cusped Ptychodus (Chondrichthyes, Elasmobranchii) from the Upper Cretaceous of northeastern Italy, and resurrection of Ptychodus altior Agassiz, 1835. Cretaceous Research, 93: 330-345
DOI: 10.1016/j.cretres.2018.10.002