[Phylum] Chordata Bateson, 1885 - chordates
Count: [*†*] 4c;88o;589f;14g; †7c;127o;597f;967g;1s
   Subphylum Craniata auct.
  Count: [*†*] 4c;88o;589f;14g; †7c;127o;597f;967g;1s
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
    Count: [*†*] 3c;87o;588f;14g; †7c;126o;596f;966g;1s
       Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
      Count: [*†*] 2c;86o;585f;14g; †2c;97o;496f;810g;1s
         Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
        Count: [*†*] 72o;518f;8g; †50o;314f;521g;1s [28 Feb 2025]
           Subclass Sarcopterygii Romer, 1955 - lobe-finned fishes and tetrapods see [unranked] Sarcopterygii Romer, 1955
          Count: [*†*] 2o;4f; †8o;42f;70g;1s [28 Feb 2025]
             Infraclass Dipnomorpha Ahlberg, 1991 see [unranked] Dipnomorpha Ahlberg, 1991
            Count: [*†*] 1o;3f; †5o;21f;33g;1s [25 Feb 2025]
               Superorder Dipnoi Müller, 1844 see Class Dipneusti
              Count: [*†*] 1o;3f; †4o;19f;29g;1s [25 Feb 2025]
                 Order Ceratodontiformes Berg, 1940 - living lungfishes and their fossil relatives
                Count: [*†*] 3f; †3f;5g;1s [25 Feb 2025]
                   Family †Ptychoceratodontidae Martin, 1982
                  Count: [†*] †1g
                     Genus †Ptychoceratodus Jaekel, 1926
                    Count: -