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Monophyletic taxon: Class Chondrichthyes Huxley, 1880 (fish)
Classification by:

Vertebrata Cuvier, 1812 - vertebrates
Count: [ff] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
   Gnathostomata
  Count: [ff] 6c;98o;732f; ‡2o;8f; †2c;104o;782f;9g [22 Aug 2017]
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: [ff] 4o;41f; †13o;33f [19 May 2017]
       1 Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
      Count: [ff] 3o;38f; †8o;19f [18 May 2017]
       2 Subclass Holocephali Bonaparte, 1832
      Count: [ff] 1o;3f; †3o;11f [19 May 2017]
       3 Order †Iniopterygiformes Zangerl & Case, 1973
      Count: [†f] †2f [19 May 2017]
       4 Order †Petalodontida see Order Petalodontiformes Zangerl, 1981
      Count: [†f] †1f [19 May 2017]

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Last updated: 1 Feb 2024