[organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Pisces
Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
01 Order Hexanchiformes Compagno, 1973 - six-gill sharks
02 Order Orectolobiformes Compagno, 1973 - carpet sharks
03 Order Lamniformes Berg, 1958 - mackerel sharks
04 Order Carcharhiniformes Compagno, 1973 - ground sharks
05 Order Squaliformes Compagno, 1973 - dogfish sharks
06 Order Squatiniformes Buen, 1926 - angel sharks
07 Order Pristiformes - sawfishes
08 Order Torpediniformes - electric rays
09 Order Rajiformes Berg, 1940 - skates
10 Order Chimaeriformes Obruchev, 1953 - chimaeras