fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Chordata Bateson, 1885 - chordates see Phylum Chordata Bateson, 1885
       01 Class Cephalochordata (Haeckel, 1866)
       02 Class Tunicata Lamarck, 1816 see Subphylum Tunicata Lamarck, 1816
       03 Class Cephalaspidomorphi Moy-Thomas & Mile, 1971
       04 Class †Pteraspidomorphi Goodrich, 1909
       05 Class †Placodermi McCoy, 1848
       06 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       07 Class †Acanthodii Owen, 1846
       08 Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       09 Class Amphibia Gray, 1825
       10 Class Reptilia Linnaeus, 1758 - reptiles
       11 Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
       12 Class Mammalia Linnaeus, 1758 - mammals