Chondrichthyes - Lamniformes - Ptychodontidae
Parent taxon: Lamniformes according to M. Amadori et al. 2025
See also Applegate 1970, Cahuzac et al. 2007, Hay 1902, Herman 1977, Jordan 1963, Nelson et al. 2016, Thurmond and Jones 1981, van der Laan 2019 and Woodward 1891
Sister taxa: Acutalamna, Alopiidae, Anacoracidae, Aquilolamnidae, Archaeolamnidae, Carchariidae, Carchariolamna, Cardabiodontidae, Cetorhinidae, Cretoxyrhinidae, Dallasiella, Eoptolamnidae, Haimirichiidae, Hybodus dispar, Lamna (Odontaspis) ornata, Lamnidae, Megachasmidae, Mitsukurinidae, Odontaspididae, Otodontidae, Palaeocarcharias, Paraisuridae, Pseudocarcharidae, Pseudocarchariidae, Pseudocoracidae, Pseudoisurus, Pseudoisurus tomosus, Pseudoscapanorhynchidae, Serratolamnidae, Truyolsodontidae, Xiphodolamiidae
Subtaxa: Hylaeobatis Ptychodus
Type: Ptychodus
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Algeria (2 collections), Angola (3), Belgium (13), Brazil (1), Canada (7: Alberta, Manitoba, Saskatchewan), Colombia (1), Croatia (1), Czechia (7), Denmark (1), France (19), Germany (3), India (1), Israel (1), Italy (17), Japan (8), Jordan (1), Kazakhstan (2), Lithuania (5), Mexico (7), Nigeria (1), Poland (4), Romania (1), the Russian Federation (5), Sweden (1), Türkiye (1), Ukraine (3), the United Kingdom (2), United States (125: Alabama, Arizona, Colorado, Georgia, Iowa, Kansas, Mississippi, Montana, Nebraska, New Mexico, South Dakota, Texas, Utah, Wyoming), Venezuela (3)
• Jurassic of Germany (1), the United Kingdom (2)
Total: 249 collections including 386 occurrences