Chondrichthyes - Lamniformes - Ptychodontidae
Alternative combination: Ptychodus polygurus
Full reference: L. Agassiz. 1835. Feuilleton Additionnel aux Recherches sur les Poissons Fossiles 21-64
Belongs to Ptychodus according to M. Amadori et al. 2023
See also Agassiz 1835, Agassiz 1838, Agassiz 1839, Amadori et al. 2020, Amadori et al. 2023, Applegate 1970, Barrois 1874, Cicimurri 2004, Evetts 1979, Hay 1902, Herman 1977, Niedźwiedzki and Kalina 2003, Thurmond and Jones 1981, Wolberg 1985, Wolberg 1985 and Woodward 1889
Sister taxa: Buffonites, Ptychodus altior, Ptychodus anonymus, Ptychodus articulatus, Ptychodus atcoensis, Ptychodus belluccii, Ptychodus concentricus, Ptychodus decurrens, Ptychodus elevatus, Ptychodus latissimus, Ptychodus mahakalensis, Ptychodus mammillaris, Ptychodus marginalis, Ptychodus martini, Ptychodus mediterraneus, Ptychodus mortoni, Ptychodus occidentalis, Ptychodus papillosus, Ptychodus parvulus, Ptychodus paucisulcatus, Ptychodus pauli, Ptychodus rhombodus, Ptychodus rugosus, Ptychodus schlotheimii, Ptychodus sulcatus, Ptychodus whipplei
Subtaxa: Ptychodus polygyrus concentricus Ptychodus polygyrus marginalis
Type specimen: BMNH 4385, 4408, 4413, a set of teeth
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Belgium (1 collection), France (2), Germany (1), Poland (1), the Russian Federation (2), Ukraine (1), United States (8: Alabama, Kansas, New Mexico, South Dakota, Utah, Wyoming)
Total: 16 collections including 17 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.