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Jacquhermania attiai (4)
(Cook, 2010)
Valid name: Pachygymnura attiai
Valid name: Pachygymnura attiai
Original description species: (Cook, 2010)
Genus: Jacquhermania Cappetta, 1982
Family: Gymnuridae Fowler, 1934
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jacquhermania duponti (34)
(Winkler, 1874)
Synonyms: Cestracion duponti, Dasyatis duponti, Raja aff. duponti, Raja cf. duponti, Raja duponti
Original description species: (Winkler, 1874)
Genus: Jacquhermania Cappetta, 1982
Family: Gymnuridae Fowler, 1934
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jacquhermania sp. (3)

Genus: Jacquhermania Cappetta, 1982
Family: Gymnuridae Fowler, 1934
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus africanus (9)
(Arambourg, 1952)
Synonyms: Carcharias robustus africanus, Hypotodus africanus, Odontaspis robusta africana, Odontaspis robustus africanus, Odontaspis (Synodontaspis) robusta africana
Original description species: (Arambourg, 1952)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus bagualensis (2)
Otero, Oyarzún, & Soto-Acuña, Yury-Yáñez, Gutierrez, Le Roux, Torres & Hervé, 2014
Original description species: Otero, Oyarzún, & Soto-Acuña, Yury-Yáñez, Gutierrez, Le Roux, Torres & Hervé, 2014
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus borystenicus (4)
Glikman, 1964
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus bronni (2)
(Agassiz, 1843)
Valid name: Palaeohypotodus bronni
Valid name: Palaeohypotodus bronni
Original description species: (Agassiz, 1843)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus cavidens (2)
(Neugeboren, 1850)
Synonyms: Carcharodon cavidens, Otodus cavidens
Original description species: (Neugeboren, 1850)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus cf. robustus (2)
(Leriche, 1922)
Valid name: Jaekelotodus robustus
Valid name: Jaekelotodus robustus
Original description species: (Leriche, 1922)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus cf. trigonalis (1)
(Jaekel, 1895)
Valid name: Jaekelotodus trigonalis
Valid name: Jaekelotodus trigonalis
Original description species: (Jaekel, 1895)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus glueckmani (1)
Zhelezko, 1994
Valid name: Mennerotodus glueckmani
Valid name: Mennerotodus glueckmani
Original description species: Zhelezko, 1994
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus heersensis (1)
(Herman, 1972)
Valid name: Orpodon heersensis
Valid name: Orpodon heersensis
Original description species: (Herman, 1972)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus heinzelini (3)
(Casier, 1967)
Valid name: Glueckmanotodus heinzelini
Valid name: Glueckmanotodus heinzelini
Original description species: (Casier, 1967)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus jaekeli (2)
Zhelezko, 1994
Original description species: Zhelezko, 1994
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus karagiensis (2)
(Glikman, 1964)
Original description species: (Glikman, 1964)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus karpinskii (1)
(Menner, 1928)
Valid name: Araloselachus cuspidatus
Valid name: Araloselachus cuspidatus
Original description species: (Menner, 1928)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus londonensis (5)
Zhelezko, 1994
Synonyms: Jaekelotodus londonensis londonensis
Original description species: Zhelezko, 1994
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus londonensis londonensis (1)
Zhelezko, 1994
Valid name: Jaekelotodus londonensis
Valid name: Jaekelotodus londonensis
Original description species: Zhelezko, 1994
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus minor (3)
Glikman, 1964
Synonyms: Jaekelotodus minor minor
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus minor minor (1)
Glikman, 1964
Valid name: Jaekelotodus minor
Valid name: Jaekelotodus minor
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus robustus (60)
(Leriche, 1922)
Synonyms: Carcharias robustus, Hypotodus robustus, Jaekelotodus cf. robustus, Odontaspis robusta, Odontaspis (Synodontaspis) robusta, Synodontaspis robusta
Original description species: (Leriche, 1922)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus sp. (7)

Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus speyeri (21)
(Darteville & Casier, 1943)
Synonyms: Odontaspis speyeri, Odontaspis (Odontaspis) speyeri, Palaeohypotodus speyeri
Original description species: (Darteville & Casier, 1943)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis (52)
(Jaekel, 1895)
Synonyms: Hypotodus triangonalis, Hypotodus trigonalis, Iekelotodus trigonalis, Jaekelotodus cf. trigonalis, Odontaspis cf. trigonalis, Odontaspis trigonalis, Odontaspis (Odontaspis) trigonalis, Odontaspis (Synodontaspis) cf. trigonalis, Odontaspis (Synodontaspis) trigonalis, Otodus trigonalis
Original description species: (Jaekel, 1895)
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis bucharensis (1)
Zhelezko in Zhelezko & Kozlov, 1999
Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis jaekeli (1)
Zhelezko in Zhelezko & Kozlov, 1999
Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis medius (1)
Glikman, 1964
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis minor (1)
Glikman, 1964
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus trigonalis trigonalis (1)
Glikman, 1964
Original description species: Glikman, 1964
Genus: Jaekelotodus Menner, 1928
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jalodus australiensis (18)
(Long, 1990)
Synonyms: Phoebodus australiensis
Original description species: (Long, 1990)
Genus: Jalodus Ginter, 1999
Family: Jalodontidae Ginter, Hairapetian & Klug, 2002
Order: Jalodontiformes
Subclass: Elasmobranchii
Jalodus sp. (3)

Genus: Jalodus Ginter, 1999
Family: Jalodontidae Ginter, Hairapetian & Klug, 2002
Order: Jalodontiformes
Subclass: Elasmobranchii
Janassa angularis (4)
Branson, 1916
Original description species: Branson, 1916
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa angulata (4)
Münster, 1840
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Original description species: Münster, 1840
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa bituminosa (36)
(Schlotheim, 1820)
Synonyms: Acrodus larva, Byzenos latipinnatus, Dictaea striata, Dictea striata, Janassa angulata, Janassa dictea, Janassa humboldii, Janassa humboldtii, Trilobites bituminosa
Original description species: (Schlotheim, 1820)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa brevis (4)
(Newberry, 1856)
Synonyms: Climaxodus brevis
Original description species: (Newberry, 1856)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa cf. clarki (1)
Lund, 1989
Valid name: Janassa clarki
Valid name: Janassa clarki
Original description species: Lund, 1989
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa clarki (4)
Lund, 1989
Synonyms: Janassa cf. clarki
Original description species: Lund, 1989
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa clavata (7)
M'Coy, 1855
Synonyms: Chomatodus clavatus, Chomatodus truncatus, Chomatodus (Petalodus) truncatus
Original description species: M'Coy, 1855
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa dictea (1)
(Münster, 1842)
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Common name: synonym of Janassa bituminosa after Woodward (1889) p. 35 [#2593]
Original description species: (Münster, 1842)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa emydinus (5)
(Cope, 1883)
Synonyms: Thoracodus emydinus
Original description species: (Cope, 1883)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa gurleiana (4)
(Cope, 1877)
Synonyms: Strigilina gurleiana
Original description species: (Cope, 1877)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa humboldii (1)
Münster, 1839
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Original description species: Münster, 1839
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa humboldtii (1)
Münster, 1839
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Original description species: Münster, 1839
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa imbricata (7)
(M'Coy, 1848)
Synonyms: Climaxodus imbricatus, Janassa ordiana
Original description species: (M'Coy, 1848)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa kochi (6)
Nielsen, 1932
Original description species: Nielsen, 1932
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa korni (7)
(Weigelt, 1930)
Synonyms: Ctenoptychius korni
Original description species: (Weigelt, 1930)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa linguaeformis (5)
(Atthey, 1868)
Synonyms: Climaxodus linguaeformis, Climaxodus oratus, Climaxodus vermiformis, Janassa minutus, Janassa processus
Original description species: (Atthey, 1868)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa maxima (3)
Eastman, 1903
Original description species: Eastman, 1903
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa oblongus (5)
(Newberry & Worthen, 1870)
Synonyms: Cymatodus oblongus
Original description species: (Newberry & Worthen, 1870)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa ordiana (2)
Cope, 1881
Valid name: Janassa imbricata
Valid name: Janassa imbricata
Original description species: Cope, 1881
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa sp. (18)

Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa strigilina (6)
(Cope, 1881)
Synonyms: Strigilina linguaformis
Original description species: (Cope, 1881)
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa unguicula (5)
Eastman, 1903
Original description species: Eastman, 1903
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa unguiformis (3)
Eastman, 1903
Original description species: Eastman, 1903
Genus: Janassa Münster, 1839
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Jiaodontus montaltissimus (2)
Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Original description species: Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Genus: Jiaodontus Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Jiaodontus sp. (2)

Genus: Jiaodontus Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Jiaodontus vedenemus (2)
Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Original description species: Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Genus: Jiaodontus Klug, Tütken, Wings, Pfretzschner & Martin, 2010
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Jimpohlia erinacea (1)
Zangerl, 1979
Original description species: Zangerl, 1979
Genus: Jimpohlia Zangerl, 1979
Family: incert. fam.
Subclass: Subterbranchialia
Johnlongia allocotodon (4)
Siverson, 1996
Original description species: Siverson, 1996
Genus: Johnlongia Siverson, 1996
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Johnlongia cf. parvidens (1)
(Cappetta, 1973)
Valid name: Johnlongia parvidens
Valid name: Johnlongia parvidens
Original description species: (Cappetta, 1973)
Genus: Johnlongia Siverson, 1996
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Johnlongia parvidens (14)
(Cappetta, 1973)
Synonyms: Johnlongia cf. parvidens, Odontaspis parvidens
Original description species: (Cappetta, 1973)
Genus: Johnlongia Siverson, 1996
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Johnlongia sp. (12)

Genus: Johnlongia Siverson, 1996
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jolepis robusta (1)
(Brotzen, 1934)
Original description species: (Brotzen, 1934)
Genus: Jolepis Burrow & Turner, 2018
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Junggarensis ambiguus (1)
Roelofs, Konigshof, Trinajstic & Munkhjargal, 2021
Original description species: Roelofs, Konigshof, Trinajstic & Munkhjargal, 2021
Genus: Junggarensis Roelofs, Konigshof, Trinajstic & Munkhjargal, 2021
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Jurobatos cappettai (2)
Thies, 1982
Original description species: Thies, 1982
Genus: Jurobatos Thies, 1983
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jurobatos sp. (2)

Genus: Jurobatos Thies, 1983
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii