Nanocetorhinus tuberculatus (8)
Underwood & Schlögl, 2013
Original description species: Underwood & Schlögl, 2013
Genus: Nanocetorhinus Underwood & Schlogl, 2013
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Nanocetorhinus zeitlingeri (2)
Feichtinger, Pollerspöck & Harzhauser, 2020
Original description species: Feichtinger, Pollerspöck & Harzhauser, 2020
Genus: Nanocetorhinus Underwood & Schlogl, 2013
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Nanocorax crassus (7)
(Cappetta & Case, 1975)
Synonyms: Microcorax aff. crassus, Microcorax crassus
Original description species: (Cappetta & Case, 1975)
Genus: Nanocorax Cappetta, 2012
Family: Anacoracidae Casier, 1947
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nanocorax microserratodon (8)
(Shimada, 2008)
Synonyms: Squalicorax microserratodon
Original description species: (Shimada, 2008)
Genus: Nanocorax Cappetta, 2012
Family: Anacoracidae Casier, 1947
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nanoskalme natans (1)
Hodnett, Elliott, Olson & Wittke, 2012
Original description species: Hodnett, Elliott, Olson & Wittke, 2012
Genus: Nanoskalme Hodnett, Elliott, Olson & Wittke, 2012
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Nasolamia velox-f (3)
(Gilbert, 1898)
Synonyms: Carcharhinus velox-f
Original description species: (Gilbert, 1898)
Genus: Nasolamia Compagno & Garrick, 1983
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Natarapax trivortex (1)
Feichtinger, Engelbrecht, Lukeneder & Kriwet, 2018
Original description species: Feichtinger, Engelbrecht, Lukeneder & Kriwet, 2018
Genus: Natarapax Feichtinger, Engelbrecht, Lukeneder & Kriwet, 2018
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Nebriimimus wardi (1)
Collareta, Mollen, Merella, Casati & Di Cencio, 2021
Original description species: Collareta, Mollen, Merella, Casati & Di Cencio, 2021
Genus: Nebriimimus Collareta, Mollen, Merella, Casati & Di Cencio, 2021
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius bequaerti (9)
(Leriche, 1920)
Synonyms: Ginglymostoma bequaerti, Ginglymostoma thielense bequaerti, Ginglymostoma thielensi bequaerti
Original description species: (Leriche, 1920)
Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius blanckenhorni (19)
(Stromer, 1903)
Synonyms: Ginglymostoma blanckenhorni, Ginglymostoma blankenhorni, Ginglymostoma (Nebrius) blanckenhorni, Nebrius blankenhorni
Original description species: (Stromer, 1903)
Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius ferrugineus-f (1)
(Lesson, 1831)
Original description species: (Lesson, 1831)
Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius obliquus (27)
(Leidy, 1877)
Synonyms: Ginglymostoma aff. fourtaui, Ginglymostoma fourtaui, Ginglymostoma obliquum, Nebrius cf. obliquus, Nebrius fourtaui, Nebrius obliquum
Original description species: (Leidy, 1877)
Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius sp-f (25)

Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nebrius thielensis (59)
(Winkler, 1874)
Synonyms: Acrodobatis obliquus, Ginglymostoma aff. thielense, Ginglymostoma aff. thielensi, Ginglymostoma cf. thielensi, Ginglymostoma thielense, Ginglymostoma thielensi, Ginglymostoma thielensis, Ginglymostoma (Nebrius) thielensi, Nebrius aff. thielensi, Nebrius cf. thielensi, Nebrius cf. thielensis, Nebrius thielensi, Plicodus thielensis
Original description species: (Winkler, 1874)
Genus: Nebrius Rüppell, 1837
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion brevirostris-f (37)
(Poey, 1868)
Synonyms: Negaprion aff. brevirostris-f, Negaprion cf. brevirostris-f
Original description species: (Poey, 1868)
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion cossardi (1)
Canevet & Lebrun, 2021
Original description species: Canevet & Lebrun, 2021
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion eurybathrodon (47)
(Blake, 1862)
Synonyms: Lamna eurybathrodon, Negaprion cf. eurybathrodon
Original description species: (Blake, 1862)
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion frequens (43)
(Dames, 1883)
Synonyms: Aprionodon cf. frequens, Aprionodon frequens, Aprionodon (Carcharias) frequens, Carcharhinus aff. frequens, Carcharhinus cf. frequens, Carcharhinus frequens, Carcharhinus (Aprionodon) frequens, Carcharias (Aprionodon) aff. frequens, Carcharias (Aprionodon) frequens
Original description species: (Dames, 1883)
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion fronto-f (2)
(Jordan & Gilbert, 1882)
Original description species: (Jordan & Gilbert, 1882)
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion gilmorei (16)
(Leriche, 1942)
Synonyms: Alopias latidens alabamensis, Carcharhinus gilmorei, Carcharhinus greyegertoni, Hypoprion greyegertoni, Negaprion aff. gilmorei, Negaprion gibbesi gilmorei, Sphyrna gilmorei
Original description species: (Leriche, 1942)
Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Negaprion sp-f (35)

Genus: Negaprion Whitley, 1940
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nemacanthus elegans (3)
(Evans, 1904)
Synonyms: Cosmacanthus elegans, Nemacanthus (Cosmacanthus) elegans
Original description species: (Evans, 1904)
Genus: Nemacanthus Agassiz, 1836
Family: Palaeospinacidae Regan, 1906
Order: Synechodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nemacanthus monilifer (31)
Agassiz, 1836
Synonyms: Desmacanthus cloacinus, Nemacanthus filifer, Nemacanthus monolifer
Original description species: Agassiz, 1836
Genus: Nemacanthus Agassiz, 1836
Family: Palaeospinacidae Regan, 1906
Order: Synechodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Nemacanthus splendens (2)
Quenstedt, 1885
Original description species: Quenstedt, 1885
Genus: Nemacanthus Agassiz, 1836
Family: Palaeospinacidae Regan, 1906
Order: Synechodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Neoharriotta sp-f (1)

Genus: Neoharriotta Bigelow & Schroeder, 1950
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Neosaivodus flagstaffensis (1)
Hodnett, Elliott, Olson & Wittke, 2012
Original description species: Hodnett, Elliott, Olson & Wittke, 2012
Genus: Neosaivodus Hodnett, Elliott, Olson & Wittke, 2012
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Neosinacanthus planispinatus (1)
P'an & Liu in P'an, 1975
Original description species: P'an & Liu in P'an, 1975
Genus: Neosinacanthus P'an & Liu In P'an, 1975
Family: Sinacanthidae Min, 1998
Order: Sinacanthida
Subclass: Elasmobranchii
Netsepoye hawesi (4)
Lund, 1989
Original description species: Lund, 1989
Genus: Netsepoye Lund, 1989
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Nogueralepis teruelensis (1)
Wang, 1993
Original description species: Wang, 1993
Genus: Nogueralepis Wang, 1993
Subclass: Elasmobranchii
Notidanodon antarcti (1)
Grande & Chatterjee, 1987 (nomen nudum)
Original description species: Grande & Chatterjee, 1987 (nomen nudum)
Genus: Notidanodon Cappetta, 1975
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notidanodon lanceolatus (13)
(Woodward, 1886)
Synonyms: Notidanodon aff. lanceolatus, Notidanodon cf. lanceolatus, Notidanus lanceolatus
Original description species: (Woodward, 1886)
Genus: Notidanodon Cappetta, 1975
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notidanodon pectinatus (13)
(Agassiz, 1843)
Synonyms: Notidanus pectinatus, Notorhynchus pectinatus
Original description species: (Agassiz, 1843)
Genus: Notidanodon Cappetta, 1975
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notidanoides muensteri (49)
(Agassiz, 1843)
Synonyms: Aellopos wagneri, Eonotidanus muensteri, Hexanchus cf. huegeliae, Notidanoides arzoensis, Notidanoides daviesii, Notidanoides eximius, Notidanus arzoensis, Notidanus daviesii, Notidanus eximius, Notidanus huegeliae, Notidanus hügeliae, Notidanus hygeliae, Notidanus muensteri, Notidanus munsteri, Notidanus münsteri, Notidanus nikitini, Notidanus wagneri, Pachyhexanchus huegeliae
Original description species: (Agassiz, 1843)
Genus: Notidanoides Maisey, 1986
Family: Crassodontidanidae Kriwet & Klug, 2016
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notoramphoscyllium woodwardi (1)
Engelbrecht, Mörs, Reguero & Kriwet, 2017
Original description species: Engelbrecht, Mörs, Reguero & Kriwet, 2017
Genus: Notoramphoscyllium Engelbrecht, Mörs, Reguero & Kriwet, 2017
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus borealus (2)
(Jordan & Hannibal, 1923)
Synonyms: Notidanion boreale
Original description species: (Jordan & Hannibal, 1923)
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus cepedianus-f (20)
(Péron, 1807)
Synonyms: Notorhynchus cepedianus-f, Notorhynchus cf. cepedianus-f, Notorynchus maculatum-f, Notorynchus maculatus-f
Original description species: (Péron, 1807)
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus kempi (12)
Ward, 1979
Synonyms: Notorhynchus kempi, Notorynchus cf. kempi
Original description species: Ward, 1979
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus lawleyi (7)
Cigala Fulgosi, 1983
Synonyms: Notorhynchus lawleyi
Original description species: Cigala Fulgosi, 1983
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus primigenius (331)
(Agassiz, 1835)
Synonyms: Heptranchias plectrodon, Heptranchias primigenius, Hexanchus primigenius, Hexanchus (Notidanus) primigenius, Notidanidon primigenium, Notidanion primigenium, Notidanus aff. primigenius, Notidanus cf. primigenius, Notidanus d'anconae, Notidanus diffusidens, Notidanus marginalis, Notidanus nettelbladti, Notidanus paucidens, Notidanus plectrodon, Notidanus primigenius, Notidanus recurvus, Notidanus thevenardi, Notidanus (Heptranchias) primigenius, Notidanus (Notorhynchus) primigenius, Notorhynchus cf. primigenius, Notorhynchus primigenius, Sphyrna denticulata
Original description species: (Agassiz, 1835)
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus serratissimus (51)
(Agassiz, 1843)
Synonyms: Hexanchus serratissimus, Notidanus cf. serratissimus, Notidanus serratissimus, Notorhynchus serratissimus
Original description species: (Agassiz, 1843)
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus sp-f (32)

Synonyms: Notorhynchus sp-f
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchus subrecurvus (2)
(Oppenheimer, 1907)
Synonyms: Notidanus subrecurvus
Original description species: (Oppenheimer, 1907)
Genus: Notorynchus Ayres, 1855
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Notorynchyus sp-f (1)

Novaculodus billingsleyi (1)
Hodnett & Elliott, 2018
Original description species: Hodnett & Elliott, 2018
Genus: Novaculodus Hodnett & Elliott, 2018
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii