Class Chondrichthyes

Subclass Elasmobranchii

Superorder Euselachii

Order Rajiformes (456 species)

Family Myliobatidae

Family Pristidae

Family Torpedinidae

Family Narcinidae

Family Rhinobatidae

Family Rajidae

Family Dasyatidae

Family Urolophidae

Family Gymnuridae

Order Heterodontiformes  (8 species)

Order Orectolobiformes (31 species)

Order Carcharhiniformes (210 species)

Order Lamniformes (16 species)

Order Hexanchiformes (5 species)

Order Squaliformes (74 species)

Order Squatiniformes (12 species)

Order Pristiophoriformes (5 species)

Order Rajiformes (456 species)

Classification from Helfman, G. S., Collette, B. B., Facey, D. E. 1997. The Diversity of Fishes. Blackwell Science, Inc.