Mobulidae 7 



Myliobatidae 7 



Pristidae 7 



Rajidae 7 



Rhinobatidae 8 



Torpedinidae 8 



Squalomorpha 9 



Galeiformes * 



Alopiidae 9 



Carchariidae 9 



Carcharhinidae 9 



Cetorhinidae 10 



Isuridae 10 



Orectolobidae 11 



Rhincodontidae * 



Scyliorhinidae 11 



Sphyrnidae 12 



Heterodontiformes 12 



Hexanchiformes 12 



Squaliformes * 



Dalatiidae * 



Echinorhinidae 12 



Pristiophoridae 12 



Squalidae 12 



Squatinidae 13 



Xenacanthomorpha 13 



Dipnoi 13 



Rhipidistia 15 



Osteolepidomorpha 15 



Porolepidomorpha 15 



Coelacanthini 16 



Chondrostei 16 



Acipenseromorpha 16 



Cheirolepidomorpha 18 



Paleoniscomorpha 18 



Luganoiiformes * 



Paleonisciformes 18 



Perleidiformes 18 



Pholidopleuriformes 18 



Platysomiformes * 



Redfieldiiformes * 



Tarrasiiformes * 



Polypteromorpha 18 



Holostei 18 



Amiomorpha 19 



Aspidorhynchomorpha 19 



Parasemionotomorpha 



Pholidophoromorpha 19 



Pycnodontomorpha 20 



