| hexanchidae | (n) primitive sharks, Syn. family Hexanchidae |
| エドアブラザメ属 | [エドアブラザメぞく, edoaburazame zoku] (n) Heptranchias (genus of cow shark in the family Hexanchidae containing the sharpnose seven-gill shark as its only member) [Add to Longdo] |
| エビスザメ属 | [エビスザメぞく, ebisuzame zoku] (n) Notorynchus (genus of cow sharks in the family Hexanchidae whose only extant member is the broadnose sevengill shark) [Add to Longdo] |
| カグラザメ属 | [カグラザメぞく, kagurazame zoku] (n) Hexanchus (genus of sixgill sharks in the family Hexanchidae comprised of 2 extant species) [Add to Longdo] |