Ptychodus mammillaris Agassiz 1835 (elasmobranch)

Chondrichthyes - Hybodontiformes - Ptychodontidae

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, Agassiz 1843, Cappetta and Case 1999, Dalinkevičius 1935, Everhart and Darnell 2004, Guinot et al. 2013, Hay 1902, Maisch et al. 2021, Shimada and Everhart 2003 and Woodward 1889

Sister taxa: Buffonites, Ptychodus altior, Ptychodus anonymus, Ptychodus arcuatus, Ptychodus articulatus, Ptychodus belluccii, Ptychodus concentricus, Ptychodus decurrens, Ptychodus elevatus, Ptychodus gibberulus, Ptychodus latissimus, Ptychodus mahakalensis, 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 specimen: BMNH 4402, 4394-6, a set of teeth

Ecology: nektonic carnivore

Distribution:

• Cretaceous of France (1 collection), Japan (4), Lithuania (3), Poland (2), Sweden (1), Ukraine (1), United States (4: Kansas, New Mexico, Texas)

Total: 16 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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