and Decker P.D. 2010. A new skeletal remain of the durophagous shark, Ptychodus mortoni, from the Upper Cretaceous of North America : an indication of gigantic body size. Cretaceous Research 31(2):249-254.The specimen has been donated to the Sternberg Museum of Natural History (FHSM VP...
Dentition of Late Cretaceous shark Ptychodus mortoni (Elasmo- branchii, Ptychodontidae). Journal of Vertebrate Paleontology 32, 1271e1284.Shimada, K. (2012). Dentition of late Cretaceous shark, Ptychodus mortoni (Elasmobranchii, Ptychodontidae). Journal of Verte- brate Paleontology, 32(6),...
As in most other species of Ptychodus (e.g., P. maghrebianus, P. mediterra- neus, P. mortoni and P. occidentalis), the teeth decrease in size and bilateral symmetry mesiodistally across each hemiarch of the dentition (see also Amadori et al., 2020a, 2022a; Shimada, 2012; ...
Ptychodus mortoni Mantell is a Late Cretaceous shark that possessed pavement-like tooth plates that were used to feed on hard-shelled macroinvertebrates (durophagy). Here, we describe a new specimen of P. mortoni from the Fort Hays Limestone Member of the Niobrara Chalk in Kansas, USA, that...