Horn shark - The horn shark, Heterodontus francisci, is a species of bullhead shark, family Heterodontidae.
Crested horn shark - The crested bullhead shark, Heterodontus galeatus, is an uncommon species of bullhead shark, family Heterodontidae, occurring off eastern Australia from the coast to a depth of 93 m .
Japanese bullhead shark - The Japanese bullhead shark, Heterodontus japonicus, is a species of bullhead shark, family Heterodontidae, found in the northwestern Pacific Ocean off the coasts of Japan, Korea, and China.
Mexican hornshark - The Mexican hornshark, Heterodontus mexicanus, is a bullhead shark of the family Heterodontidae.
Oman bullhead shark - The Oman bullhead shark, Heterodontus omanensis, is a bullhead shark of the family Heterodontidae, found in the tropical western Indian Ocean around central Oman from the surface to 70 m.
Port Jackson shark - The Port Jackson shark is a migratory species, traveling south in the summer and returning north to breed in the winter months.
Galapagos bullhead shark - Reproduction is oviparous.
Mozambique bullhead shark - The whitespotted bullhead shark is found on the outer continental shelf.
Japanease bullhead shark - The zebra bullhead shark, Heterodontus zebra , is a bullhead shark of the family Heterodontidae, found in the subtropical western Pacific Ocean between latitudes 40° N to 20° S, at depths of between 50 and 200 m.