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2023	A diverse assemblage of Ptychodus species (Elasmobranchii: Ptychodontidae) from the Upper Cretaceous of Ukraine, with comments on possible diversification drivers during the Cenomanian Cretaceous Research Manuel Amadori, Oleksandr Kovalchuk, Zoltán Barkaszi, Luca Giusberti, René Kindlimann, Jürgen Kriwet
2023	Late Cretaceous coprolite from the Opole area (southern Poland) as evidence for a variable diet in shell-crushing shark Ptychodus (Elasmobranchii: Ptychodontidae) PeerJ Dawid Mazurek, Mateusz Antczak
2022	A new cuspidate ptychodontid shark (Chondrichthyes; Elasmobranchii), from the Upper Cretaceous of Morocco with comments on tooth functionalities and replacement patterns Journal of African Earth Sciences Manuel Amadori, René Kindlimann, Eliana Fornaciari, Luca Giusberti, Jürgen Kriwet
2022	The extinct shark, Ptychodus (Elasmobranchii, Ptychodontidae) in the Upper Cretaceous of central-western Russia—The road to easternmost peri-Tethyan seas Journal of Vertebrate Paleontology Manuel Amadori, Sergey V. Solonin, Alexey V. Vodorezov, Ryan Shell, Robert Niedźwiedzki, Jürgen Kriwet
2022	Morphology and paleobiology of the Late Cretaceous large-sized sharkCretodus crassidens(Dixon, 1850) (Neoselachii; Lamniformes) Journal of Paleontology Jacopo Amalfitano, Fabio Marco Dalla Vecchia, Giorgio Carnevale, Eliana Fornaciari, Guido Roghi, Luca Giusberti