Chondrichthyes - Hybodontiformes - Ptychodontidae
Synonyms: Ptychodus depressus Dixon 1850, Ptychodus multistriatus Woodward 1889, Ptychodus oweni Dixon 1850
Full reference: L. Agassiz. 1838. Recherches Sur Les Poissons Fossiles. Tome III (11me livraison) 73-140
Belongs to Ptychodus according to M. Amadori et al. 2023
See also Agassiz 1838, Agassiz 1839, Amadori et al. 2019, Amalfitano et al. 2020, Cappetta and Case 1999, Dalinkevičius 1935, Dixon 1850, Hay 1902, Shimada and Martin 2008, Shimada et al. 2006, Underwood and Cumbaa 2010 and Woodward 1889
Sister taxa: Buffonites, Ptychodus altior, Ptychodus anonymus, Ptychodus arcuatus, Ptychodus articulatus, Ptychodus belluccii, Ptychodus concentricus, Ptychodus elevatus, Ptychodus gibberulus, Ptychodus latissimus, Ptychodus mahakalensis, Ptychodus mammillaris, Ptychodus marginalis, Ptychodus martini, Ptychodus mortoni, Ptychodus occidentalis, Ptychodus papillosus, Ptychodus parvulus, Ptychodus paucisulcatus, Ptychodus pauli, Ptychodus polygyrus, Ptychodus rhombodus, Ptychodus rugosus, Ptychodus schlottheimii, Ptychodus spectabilis, Ptychodus whipplei
Type specimens:
- Ptychodus decurrens: BMNH P.5449, a set of teeth
- Ptychodus depressus:
- Ptychodus multistriatus: BMNH P.2681, a set of teeth.
- Ptychodus oweni: BMNH 39125-a, a tooth.
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Brazil (1 collection), Canada (2: Saskatchewan), Italy (3), Lithuania (3), Ukraine (1), the United Kingdom (2), United States (8: Colorado, Kansas, Texas)
Total: 20 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.