SUBCLASS 1 - SELACHII
ORDER 1 - PLEUROTREMATA (TRUE SHARKS)
SCOLIODON - DOG FISH
SQUALUS
STEGOSTOMA - ZEBRA SHARK
SPHYRNA - HAMMER HEADED SHARK
RHINCODON - THE WHALE SHARK
ORDER 2 HYPOTREMATA (SKATES AND RAYS)
RAJA - SKATE
RHINOBATUS - GUITAR FISH
PRISTIS - THE SAWFISH
TRYGON - STING RAY
TOPEDO - ELECTRIC RAY
MYLIOBATIS - THE EAGLE RAY
SUBCLASS 2 - HOLOCEPHALII (RAT FISHES OR CHIMAERA)
HYDROLAGUS - CHIMAERA
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