Notorynchus is a genus of deepwater sharks in the family Hexanchidae. There is one extant species. Extant species Broadnose sevengill shark (Notorynchus cepedianus) Péron, 1807 Extinct species Notorynchus borealus Jordan & Hannibal, 1923 Notorynchus kempi Ward, 1979 Notorynchus lawleyi Cigala Fulgosi, 1983 Notorynchus primigenius Agassiz, 1843 Notorynchus serratissimus Agassiz, 1843 Notorynchus subrecurvus Oppenheimer, 1907 References Shark genera Fish genera with one living species