Phylum Chordata Bateson, 1885 - chordates
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   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
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     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: -
       Order Lamniformes Berg, 1958 - mackerel sharks
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         Family Cetorhinidae Gill, 1861 - basking sharks
        Count: [*] 1g1s
           Genus Cetorhinus Blainville, 1816
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