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: Eusphyra: eu- (Gr.), good, well or very; sphyra (Gr.), hammer, referring to immense hammer-shaped head. (See ETYFish); blochii: In honor of physician-naturalist Marcus Elieser Bloch (1723-1799), who described and illustrated this shark in 1785, which he identified as Squalus zygaena. (See ETYFish).
More on author: Cuvier.