''Notorynchus'' is a genus of deepwater

shark Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachi ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Hexanchidae. There is one extant species.

Extant species

Broadnose sevengill shark The broadnose sevengill shark (''Notorynchus cepedianus'') is the only extant member of the genus ''Notorynchus'', in the family Hexanchidae. It is recognizable because of its seven gill slits, while most shark species have five gill slits, with ...

(''Notorynchus cepedianus'') Péron, 1807

Extinct species

* '' Notorynchus borealus''

Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Ri ...

& Hannibal, 1923 * ''

Notorynchus kempi ''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 & ...

'' Ward, 1979 * '' Notorynchus lawleyi'' Cigala Fulgosi, 1983 * '' Notorynchus primigenius''

Agassiz Jean Louis Rodolphe Agassiz ( ; ) FRS (For) FRSE (May 28, 1807 – December 14, 1873) was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history. Spending his early life in Switzerland, he rec ...

, 1843 * ''

Notorynchus serratissimus ''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'' Jord ...

, 1843 * ''

Notorynchus subrecurvus ''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 & ...

'' Oppenheimer, 1907

References

Shark genera Fish genera with one living species {{Shark-stub