| Heterodontiformes | Bullhead sharks | tjurhuvudhajar | |||
| Heterodontidae | Bullhead sharks, horn sharks | tjurhuvudshajar, hornhajar | Dormilones | Requins dormeurs | |
| Heterdontus | hornhajar | ||||
| portusjacksoni | Port Jackson shark | Port Jackson-haj | Dormilón toro | Requin dormeur taureau | |
| quoyi | Galapagos bullhead shark | Galapagos hornhaj | Dormilón de Galápagos | Requin dormeur bouledogue | |
| francisci | Horn shark | Småfläckig hornhaj | Dormilón cornudo | Requin dormeur cornu | |
| ramalheira | Whitespotted bullhead shark | Vitfläckig hornhaj | Dormilón boquigrande | Requin dormeur chabot | |
| mexicanus | Mexican hornshark | Storfläckig hornhaj | Dormilón búfalo | Requin dormeur buffle | |
| galeatus | Crested bullhead shark | Högpannad hornhaj | Dormilón carenado | Requin dormeur à crête | |
| japonicus | Japanese bullhead shark | Tolvbandad hornhaj | Dormilón japonés | Requin dormeur nekozame | |
| zebra | Zebra bullhead shark | Zebrarandig hornhaj | Dormilón acebrado | Requin dormeur zébre | |
| sp. | Oman bullhead shark | Omans hornhaj | |||