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Ceratodus
Fossil range: Middle Triassic-Late Cretaceous
228-70 Ma
Ceratodus BW
Ceratodus sp.
Scientific classification

Class

Sarcopterygii

Order

Ceratodontiformes

Family

Ptychoceratodontidae

Genus

Ceratodus Agassiz, 1837

Species

  • C. latissimus (type)
    Agassiz, 1837
  • C. africanus
    Haug, 1905
  • C. cruciferus
    Cope, 1876
  • C. felchi
    Kirkland, 1987
  • C. frazieri
    Ostrom, 1970
  • C. guentheri
    Marsh, 1878
  • C. gustasoni
    Kirkland, 1987
  • C. hieroglyphus
    Cope, 1876
  • C. humei
    Priem, 1914
  • C. robustus
    Knight, 1898
  • C. szechuanensis
    Young, 1942



Ceratodus (Greek for "horned tooth") was a wide-ranging genus of extinct sarcopterygiian lungfish. Fossil evidence dates back to the Middle Triassic 228 million years ago. A wide range of fossil species from different time periods have been found around the world in places such as the United States, Argentina, England, Germany, Egypt, Madagascar, China, and Australia. Ceratodus is believed to have become extinct sometime around the beginning of the Maastrichtian stage of the Late Cretaceous 70 Mya. The closest living relative of Ceratodus is thought to be the Queensland lungfish, Neoceratodus forsteri, which means "new Ceratodus" in Greek.

SpeciesEdit

ReferencesEdit

Acanthodii

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