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
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