Appendix

Sharks & Rays

Appendix: Classification

Superorder Selachii


  • Order Hexanchiformes
    • Family Hexanchidae (cowsharks, six-gill and seven-gill sharks)
    • Family Chlamydoselachidae (frilled sharks)
  • Order Squaliformes
    • Family Squalidae (dogfishes)
    • Family Echinorhinidae (bramble sharks)
    • Family Oxynotidae (rough sharks)
  • Order Pristiophoriformes
    • Family Pristiophoridae (sawsharks)
  • Order Squatiniformes
    • Family Squatinidae (angelsharks)
  • Order Heterodontiformes
    • Family Heterodontidae (horn sharks)
  • Order Orectolobiformes
    • Family Orectolobidae (wobbegong sharks)
    • Family Ginglymostomatidae (nurse sharks)
    • Family Rhincodontidae (whale shark) *
    • Family Parascylliidae (collared carpet sharks)
    • Family Brachaeluridae (blind sharks)
    • Family Hemiscylliidae (bamboo sharks)
    • Family Stegostomatidae (zebra sharks)


      * Some sources use the scientific name Rhiniodontidae for the whale shark family, and the genus name Rhiniodon for the whale shark. We chose the names used by the American Fisheries Society, who based their usage on the opinion of the 1984 International Commission on Zoological Nomenclature.
  • Order Lamniformes
    • Family Odontaspididae (sand tiger sharks)
    • Family Mitsukurinidae (goblin shark)
    • Family Lamnidae (mackerel sharks)
    • Family Cetorhinidae (basking shark)
    • Family Alopiidae (thresher sharks)
    • Family Pseudocarchariidae (crocodile sharks)
    • Family Megachasmidae (megamouth shark)
  • Order Carcharhiniformes
    • Family Scyliorhinidae (catsharks)
    • Family Proscylliidae (ribbontail catsharks)
    • Family Psoudotriakidae (false catsharks)
    • Family Leptocharildae (barbeled houndsharks)
    • Family Triakidae (smoothhound sharks)
    • Family Hemigaleidae (weasel sharks)
    • Family Carcharhinidae (requiem sharks)
    • Family Sphyrnidae (hammerhead sharks)

Superorder Batoidea


  • Order Rajiformes
    • Family Rajidae (skates)
    • Family Rhinobatidae (guitarfish)
  • Order Torpediniformes
    • Family Torpedinidae (electric rays)
  • Order Pristiformes
    • Family Pristidae (sawfish)
  • Order Myliobatiformes
    • Family Dasyatidae (stingrays)
    • Family Myliobatidae (eagle rays)
    • Family Mobulidae (devil rays)
    • Family Rhinopteridae (cownosed rays)
    • Family Urolophidae (round stingrays)
    • Family Gymnuridae (butterfly rays)
    • Family Potamotrygonidae (river rays)