Thresher sharks are large mackerel sharks of the family Alopiidae found in all temperate and tropical oceans of the world; the family contains three extant species, all within the genus Alopias.
Thresher shark
Pelagic thresher (A. pelagicus) jumping in Costa Rica
Small common thresher (A. vulpinus) caught at Pacifica Pier, California
Bigeye thresher (A. superciliosus) embryos
The Lamniformes are an order of sharks commonly known as mackerel sharks. It includes some of the most familiar species of sharks, such as the great white, as well as more unusual representatives, such as the goblin shark and megamouth shark.
Lamniformes
Image: Squalicorax 2DB
Image: Aquilolamna milarcae restoration