Ptychodus

Taxonavigation

Taxonavigation: Lamniformes
Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Cladus: Olfactores Subphylum: Vertebrata Infraphylum: Gnathostomata Classis: Chondrichthyes Subclassis: Elasmobranchii Infraclassis: Euselachii Division/Cohort: Neoselachii Subdivision/Subcohort: Selachimorpha Superordo: Galeomorphii Ordo: Lamniformes

Familia: †Ptychodontidae
Genus: †Ptychodus
Species: †P. altior – †P. arcuatus – †P. articulatus – †P. belluccii – †P. concentricus – †P. decurrens – †P. elevatus – †P. gibberulus – †P. latissimus – †P. mahakalensis – †P. mammillaris – †P. marginalis – †P. mortoni – †P. multistriatus – †P. oweni – †P. paucisulcatus – †P. polygyrus – †P. rhombodus – †P. rugosus – †P. spectabilis – †P. whipplei

Name

†Ptychodus Agassiz, 1837

References

Agassiz, J.L.R. 1837. Recherches Sur Les Poissons Fossiles. Tome III (livr. 8–9). Imprimérie de Petitpierre, Neuchatel viii–72. Reference page.
Hoffman, B.L., Hageman, S.A. & Claycomb, G.D. 2016 Scanning electron microscope examination of the dental enameloid of the Cretaceous durophagous shark Ptychodus supports neoselachian classification. Journal of Paleontology, 90(4): 741–762. DOI: 10.1017/jpa.2016.64 .Reference page.

Links

Fossilworks

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