Appendix

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)

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