Jacquhermania duponti (29)
(WINKLER, 1874)
(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
Original description species: (WINKLER, 1874)

Genus: Jacquhermania CAPPETTA, 1982

Family: Gymnuridae FOWLER, 1934
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus africanus (7)
(ARAMBOURG, 1952)
(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
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
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

Genus: Jaekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus borystenicus (4)
GLIKMAN, 1964
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

Genus: Jaekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus cavidens (2)
(NEUGEBOREN, 1850)
(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
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 jaekeli (2)
ZHELEZKO, 1994
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

Genus: Jaekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus karagiensis (2)
(GLIKMAN, 1964)
(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

Genus: Jaekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jaekelotodus londonensis (4)
ZHELEZKO, 1994
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
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
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
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 (50)
(LERICHE, 1922)
(LERICHE, 1922)
Synonyms:
Carcharias robustus, Hypotodus robustus, Jaekelotodus cf. robustus, Odontaspis robusta, Odontaspis (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
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 speyeri (16)
(DARTEVILLE & CASIER, 1943)
(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
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 (39)
(JAEKEL, 1895)
(JAEKEL, 1895)
Synonyms:
Hypotodus triangonalis, Hypotodus 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
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
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

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
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

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
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

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
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

Genus: Jaekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jalodus australiensis (15)
(LONG, 1990)
(LONG, 1990)
Synonyms:
Phoebodus australiensis
Original description species: (LONG, 1990)
Genus: Jalodus GINTER, 1999
Family: Jalodontidae GINTER, HAIRAPETIAN & KLUG, 2002
Order: Phoebodontiformes
Subclass: Elasmobranchii
Original description species: (LONG, 1990)

Genus: Jalodus GINTER, 1999

Family: Jalodontidae GINTER, HAIRAPETIAN & KLUG, 2002
Order: Phoebodontiformes
Subclass: Elasmobranchii
Janassa angularis (3)
BRANSON, 1916
BRANSON, 1916
Original description species:
BRANSON, 1916 
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa bituminosa (30)
(SCHLOTHEIM, 1820)
(SCHLOTHEIM, 1820)
Synonyms:
Acrodus larva, Byzenos latipinnatus, Dictaea 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
Original description species: (SCHLOTHEIM, 1820)
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa brevis (3)
(NEWBERRY, 1856)
(NEWBERRY, 1856)
Synonyms:
Climaxodus brevis
Original description species: (NEWBERRY, 1856)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (NEWBERRY, 1856)
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa clarki (3)
LUND, 1989
LUND, 1989
Synonyms:
Janassa cf. clarki
Original description species: LUND, 1989
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: LUND, 1989

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa clavata (6)
M'COY, 1855
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
Original description species: M'COY, 1855
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa emydinus (4)
(COPE, 1883)
(COPE, 1883)
Synonyms:
Thoracodus emydinus
Original description species: (COPE, 1883)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (COPE, 1883)

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa gurleiana (4)
(COPE, 1877)
(COPE, 1877)
Synonyms:
Strigilina gurleiana
Original description species: (COPE, 1877)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (COPE, 1877)

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa imbricata (6)
(M'COY, 1848)
(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
Original description species: (M'COY, 1848)
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa kochi (6)
NIELSEN, 1932
NIELSEN, 1932
Original description species:
NIELSEN, 1932 
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa korni (6)
(WEIGELT, 1930)
(WEIGELT, 1930)
Synonyms:
Ctenoptychius korni
Original description species: (WEIGELT, 1930)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (WEIGELT, 1930)
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa linguaeformis (4)
(ATTHEY, 1868)
(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
Original description species: (ATTHEY, 1868)

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa maxima (2)
EASTMAN, 1903
EASTMAN, 1903
Original description species:
EASTMAN, 1903 
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa oblongus (3)
(NEWBERRY & WORTHEN, 1870)
(NEWBERRY & WORTHEN, 1870)
Synonyms:
Cymatodus oblongus
Original description species: (NEWBERRY & WORTHEN, 1870)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (NEWBERRY & WORTHEN, 1870)

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa strigilina (4)
(COPE, 1881)
(COPE, 1881)
Synonyms:
Strigilina linguaformis
Original description species: (COPE, 1881)
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Original description species: (COPE, 1881)
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa unguicula (4)
EASTMAN, 1903
EASTMAN, 1903
Original description species:
EASTMAN, 1903 
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali

Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Janassa unguiformis (2)
EASTMAN, 1903
EASTMAN, 1903
Original description species:
EASTMAN, 1903
Genus: Janassa MÜNSTER, 1839
Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Genus: Janassa MÜNSTER, 1839

Family: Janassidae JAEKEL, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Jekelotodus trigonalis (1)
(JAEKEL, 1895)
(JAEKEL, 1895)
Original description species:
(JAEKEL, 1895) 
Genus: Jekelotodus MENNER, 1928
Family: Odontaspididae MÜLLER & HENLE, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Jekelotodus MENNER, 1928

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jiaodontus montaltissimus (2)
KLUG, TÜTKEN, WINGS, PFRETZSCHNER & MARTIN, 2010
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

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

Family: Lonchidiidae HERMAN, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Jiaodontus vedenemus (2)
KLUG, TÜTKEN, WINGS, PFRETZSCHNER & MARTIN, 2010
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

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
ZANGERL, 1979
Original description species:
ZANGERL, 1979 
Genus: Jimpohlia ZANGERL, 1979
Family: incert. fam.
Subclass: Subterbranchialia

Genus: Jimpohlia ZANGERL, 1979

Family: incert. fam.
Subclass: Subterbranchialia
Johnlongia allocotodon (4)
SIVERSON, 1996
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

Genus: Johnlongia SIVERSON, 1996

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Johnlongia parvidens (12)
(CAPPETTA, 1973)
(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
Original description species: (CAPPETTA, 1973)

Genus: Johnlongia SIVERSON, 1996

Family: Odontaspididae MÜLLER & HENLE, 1839

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Jolepis robusta (1)
(BROTZEN, 1934)
(BROTZEN, 1934)
Original description species:
(BROTZEN, 1934)
Genus: Jolepis BURROW & TURNER, 2018
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Genus: Jolepis BURROW & TURNER, 2018

Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Jurobatos cappettai (2)
THIES, 1983
THIES, 1983
Original description species:
THIES, 1983 
Genus: Jurobatos THIES, 1983
Family: Rhinobatidae BONAPARTE, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Jurobatos THIES, 1983

Family: Rhinobatidae BONAPARTE, 1835

Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii