Ptychotrygonidae

Ptychotrygonidae

Ptychotrygonidae

Extinct family of cartilaginous fishes

Ptychotrygonidae is an extinct family of cartilaginous fish from the Late Cretaceous belonging to the suborder Sclerorhynchoidei. This family contains the genera Archingeayia, Asflapristis, Ptychotrygon, Ptychotrygonoides, and Texatrygon.[2]

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References

  1. [1]
    Kriwet, J.; Nunn, E.V.; Klug, S. (2009). "Neoselachians (Chondrichthyes, Elasmobranchii) from the Lower and lower Upper Cretaceous of north-eastern Spain". Zoological Journal of the Linnean Society. 155 (2): 316–347. doi:10.1111/j.1096-3642.2008.00439.x.
  2. [2]
    Begat, A.; Kriwet, J.; Gelfo, J.N.; Cavalli, S.G.; Schultz, J.A.; Martin, T. (2023). "The first southern hemisphere occurrence of the extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a review of Ptychotrygon taxonomy". Journal of Vertebrate Paleontology: e2162411. doi:10.1080/02724634.2022.2162411. PMC 7614936.


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