Appendix

Superorder Selachii

Order Hexanchiformes

Order Squaliformes

Order Pristiophoriformes

Order Squatiniformes

Order Heterodontiformes

Order Orectolobiformes

*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

Order Carcharhiniformes

Superorder Batoidea

Order Rajiformes

Order Torpediniformes

Order Pristiformes

Order Myliobatiformes