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)
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)
*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.
Superoraer Batoiaea
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)
Scientific Classification
| Habitat and Distribution | Physical Characteristics | Senses
| Behavior |
Diet and Eating Habits | Reproduction | Anatomy
and Physiology | Hydrodynamics |
Longevity and Causes of Death | Appendix:
Classification | Bibliography | Books for Young Readers
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