[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
  Count: [*] 8o;28f;69g;133s
     Order Procellariiformes Fürbringer, 1888
    Count: [*] 3f;9g;19s
       Family Gaviidae Allen, 1897 - divers
      Count: [*] 1g;4s
         1 Genus Gavia Forster, 1788
        Count: [*] 4s