[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     1 Class Agnatha Cope, 1889
     2 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
     3 Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi