Ptychocorax – Wikipedia

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Extinct genus of sharks

Ptychocorax is an extinct genus of mackerel sharks that lived all through the Past due Cretaceous. It comprises 3 legitimate species which were present in Europe and Asia.[1][4] It used to be initially recognized as a hybodontiform,[2] however used to be later reidentified as an anacoracid.[1][4] It has additionally been regarded as to belong to its personal circle of relatives, Ptychocoracidae.[5]Ptychocorax is characterised through its distinctive dentition, combining Squalicorax-like, slicing anterior tooth with Ptychodus-like, crushing posterior tooth.[1][4]

References[edit]

  1. ^ a b c d

    Glickman, L.S. (1980). Evolyutsiya melovykh i kaynozoyskikh lamnoidnykh akul [Evolution of Cretaceous and Cenozoic lamnoid sharks] (PDF). Moscow: Nauka.

  2. ^ a b Leriche, M. (1929). “Les poissons du Crétacé marin de los angeles Belgique et du Limbourg hollandais (be aware préliminaire). Les résultats stratigraphiques de leur étude”. Bulletin de los angeles Société Belge de Géologie, de Paléontologie et d’Hydrologie. 37 (3): 199–299.
  3. ^ Landemaine, O. (1991). “Sélaciens nouveaux du Crétacé supérieur du sud-ouest de los angeles France. Quelques apports à los angeles systématique des élasmobranches” (PDF). SAGA Data. 1: 1–45.
  4. ^ a b c Cappetta, H. (2012). Guide of Paleoichthyology. Quantity 3E. Chondrichthyes. Mesozoic and Cenozoic Elasmobranchii: Tooth. Munich: Verlag Dr. Friedrich Pfeil. ISBN 978-3-89937-148-2.
  5. ^ Herman, J.; Van Waes, H. (2012). “Observations diverses et déductions concernant l’evolution et los angeles systématique de quelques Euselachii, Neoselachii et Batoidei (Pisces – Elasmobranchii), actuels et fossiles. Données complémentaires” (PDF). Géominpal Belgica. 2 (2): 1–12. Archived from the unique (PDF) on 2015-02-17.


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