''Notorynchus'' is a genus of deepwater

shark Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

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, officially the Hashemite Kingdom of Jordan, is a country in the Southern Levant region of West Asia. Jordan is bordered by Syria to the north, Iraq to the east, Saudi Arabia to the south, and Israel and the occupied Palestinian ter ...

& Hannibal, 1923 * ''

Notorynchus kempi ''Notorynchus'' is a genus of deepwater sharks in the family (biology), family Cow shark, Hexanchidae. There is one extant species. Extant species * Broadnose sevengill shark (''Notorynchus cepedianus'') François Péron, Péron, 1807 Extinct ...

'' 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 recei ...

, 1843 * '' Notorynchus serratissimus''

, 1843 * '' Notorynchus subrecurvus'' Oppenheimer, 1907

References

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