Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Carcharhiniformes (Ground sharks)
真鯊目 (Ground sharks) >
Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
丫髻鮫科 (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads. (See ETYFish); tiburo: Latin for western, an eastern Pacific relative of the Western Atlantic S. tiburo. (See ETYFish).
More on author: Linnaeus.