Rays (Rajiformes) also commonly known as Sawfishes or Skates, is a biological order of the phylum Chordata (Chordates) and class Chondrichthyes (Cartilaginous Fishes).
Anacanthobatidae
Rajidae
Arhynchobatidae
Heterodontiformes
Orectolobiformes
Chimaeriformes
Hexanchiformes
Squaliformes
Carcharhiniformes
Rhinobatiformes
Lamniformes
Rajiformes
Pristiophoriformes
Myliobatiformes