Original description species: KÜHN, 1942
Genus: Raineria OSSWALD, 1929
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: GROGAN & LUND, 2009
Genus: Rainerichthys GROGAN & LUND, 2009
Family: Iniopterygidae ZANGERL & CASE, 1973
Order: Iniopterygiformes
Subclass: Holocephali

Original description species: ENGELBRECHT, MORS, REGUERO & KRIWET, 2019
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Raia antiqua
Original description species: AGASSIZ, 1843
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: NOETLING, 1885
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Actinobatis davisi
Original description species: (FOWLER, 1958)
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CASE & CAPPETTA, 1997
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Raja aff. gentili, Raja cf. gentili
Original description species: JOLEAUD, 1912
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: WARD, 1984
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: REINECKE, VON DER HOCHT & GÜRS, 2008
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA, 1972
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ENGELBRECHT, MORS, REGUERO & KRIWET, 2019
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ADNET, 2006
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CICIMURRI & KNIGHT, 2010
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ADNET, 2006
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: DAVIS, 1887
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dipturus aff. olisiponensis, Dipturus olisiponensis, Narcine olisiponensis, Raja aff. olisiponensis, Raja (Rostroraja) aff. olisiponensis, Rostroraja aff. olisiponensis, Rostroraja olisiponensis
Original description species: (JONET, 1968)
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: AGASSIZ, 1843
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Raja (Placolithes) philippi
Original description species: MÜNSTER, 1846
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: WOODWARD, 1889
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: LAWLEY, 1876
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: PRASAD & CAPPETTA, 1993
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: REINECKE, 2015
Genus: Raja LINNÉ, 1758
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: STEININGER, 1966
Genus: Rajitheca STEININGER, 1966
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: STEININGER, 1966
Genus: Rajitheca STEININGER, 1966
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Raja helvetica
Original description species: (FISCHER-OOSTER, 1866)
Genus: Rajitheca STEININGER, 1966
Family: Rajidae DE BLAINVILLE, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: DUFFIN, 1981
Genus: Recurvacanthus DUFFIN, 1981
Family: Myriacanthidae WOODWARD, 1889
Suborder: Myriacanthoidei
Order: Chimaeriformes
Subclass: Holocephali

Original description species: KOOT, CUNY, TINTORI & TWITCHETT, 2013
Genus: Reesodus KOOT, CUNY, TINTORI & TWITCHETT, 2013
Family: Lonchidiidae HERMAN, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Lissodus wirksworthensis
Original description species: (DUFFIN, 1985)
Genus: Reesodus KOOT, CUNY, TINTORI & TWITCHETT, 2013
Family: Lonchidiidae HERMAN, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: TURNER & BURROW, 2011
Genus: Reginaselache TURNER & BURROW, 2011
Family: Diplodoselachidae DICK, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Synonyms: Reifia aff. minuta
Original description species: DUFFIN, 1980
Genus: Reifia DUFFIN, 1980
Family: incert. fam.
Order: incert. sedis
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: WERNER, 1989
Genus: Renpetia WERNER, 1989
Family: Sclerorhynchidae CAPPETTA, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Squatirhina americana
Original description species: (ESTES, 1964)
Genus: Restesia COOK, NEWBREY, BRINKMAN & KIRKLAND, 2014
Family: Orectolobidae GILL, 1896
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: MURRY & KIRBY, 2002
Genus: Reticulodus MURRY & KIRBY, 2002
Family: Hybodontidae OWEN, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: BÖHM, 1926
Genus: Rhaibodus BÖHM, 1926
Family: Triakidae GRAY, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: MENDIOLA, 1996
Genus: Rhincodon SMITH, 1829
Family: Rhincodontidae GARMAN, 1913
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: AVERIANOV & UDOVITSHENKO, 1993
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatos aff. antunesi, Rhinobatus antunesi
Original description species: (JONET, 1968)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ADNET, 2006
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Platyrhina bruxelliensis, Rhinobatos aff. bruxelliensis, Rhinobatos cf. bruxelliensis, Rhinobatus bruxelliensis
Original description species: (JAEKEL, 1894)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatos cf. casieri
Original description species: HERMAN, 1977
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CASE & CAPPETTA, 1997
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA & CORRAL, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus grandis
Original description species: (DAVIS, 1887)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA, 1980
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA & CORRAL, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatos cf. incertus
Original description species: CAPPETTA, 1973
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: KRIWET, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus intermedius
Original description species: (DAVIS, 1887)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA & CASE, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA & CASE, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus latus
Original description species: (DAVIS, 1887)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA & CASE, 1999
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: BOR, 1983
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus maronita
Original description species: (PICTET & HUMBERT, 1866)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: BAUT & GENAULT, 1995
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Belemnobatis cf. picteti
Original description species: CAPPETTA, 1975
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: SAHNI & MEHROTRA, 1981
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: GUINOT, CAPPETTA, UNDERWOOD & WARD, 2012
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatos cf. steurbauti
Original description species: CAPPETTA & NOLF, 1981
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus tenuirostris
Original description species: (DAVIS, 1887)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinobatus tesselatus
Original description species: (VON DER MARCK, 1894)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CASE & CAPPETTA, 1997
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Raja whitfieldi
Original description species: (HAY, 1903)
Genus: Rhinobatos LINCK, 1790
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: VOSIN, 1968
Genus: Rhinochimaera GARMAN, 1901
Family: Rhinochimaeridae GARMAN, 1901
Order: Chimaeriformes
Subclass: Holocephali

Original description species: OBRUCHEV, 1967
Genus: Rhinochimaera GARMAN, 1901
Family: Rhinochimaeridae GARMAN, 1901
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Scapanorhynchus elongatus
Original description species: DAVIS, 1887
Genus: Rhinognathus DAVIS, 1887
Family: Mitsukurinidae JORDAN, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: WOODWARD, 1907
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinoptera cf. raeburni
Original description species: WHITE, 1934
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: BÖHM, 1926
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinoptera cf. schultzi
Original description species: HIDEN, 1995
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhinoptera aff. sherburni, Rhinoptera cf. sherborni
Original description species: WHITE, 1926
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobatus smithii, Rhinoptera smithi
Original description species: JORDAN & BEAL, 1913
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Myliobatis studeri, Myliobatis studerii, Rhinoptera aff. studeri, Rhinoptera aff. studerii, Rhinoptera cf. studeri, Rhinoptera dubia, Rhinoptera stüderi, Zygobates dubia, Zygobates dubius, Zygobates studeri, Zygobates studeri, Zygobatis studeri
Original description species: (AGASSIZ, 1843)
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Myliobates woodwardii, Zygobates woodwardi, Zygobates woodwardii
Original description species: (AGASSIZ, 1843)
Genus: Rhinoptera CUVIER, 1829
Family: Rhinopteridae JORDAN & EVERMANN, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA, MORRISON & ADNET, 2019
Genus: Rhinoscymnus GILL, 1865
Family: Somniosidae JORDAN, 1888
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: WELTON & GOEDERT, 2016
Genus: Rhinoscymnus GILL, 1865
Family: Somniosidae JORDAN, 1888
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: SILVA SANTOS & TRAVASSOS, 1960
Genus: Rhizochlatrus SILVA SANTOS & TRAVASSOS, 1960
Family: Myliobatidae BONAPARTE, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: GUO-QING, 1995
Genus: Rhizoprionodon WHITLEY, 1929
Family: Carcharhinidae JORDAN & EVERMANN, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: KLUNZINGER, 1879
Genus: Rhizoprionodon WHITLEY, 1929
Family: Carcharhinidae JORDAN & EVERMANN, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharias blayaci, Carcharias (Physodon) ficheuri, Physodon fischeuri, Physodon miocaenus, Rhizoprionodon aff. fischeuri, Rhizoprionodon blayaci, Rhizoprionodon cf. ficheuri, Rhizoprionodon fischeuri
Original description species: (JOLEAUD, 1912)
Genus: Rhizoprionodon WHITLEY, 1929
Family: Carcharhinidae JORDAN & EVERMANN, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhizoprionodon aff. ganntourensis, Rhizoprionodon cf. ganntourensis, Rhizoprionodon gantourensis, Scoliodon aff. ganntourensis, Scoliodon ganntourensis
Original description species: (ARAMBOURG, 1952)
Genus: Rhizoprionodon WHITLEY, 1929
Family: Carcharhinidae JORDAN & EVERMANN, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharhinus (Scoliodon) cf. taxandriae, Carcharhinus (Scoliodon) taxandriae, Carcharias (Scoliodon) taxandriae, Rhizoprionodon dentatus, Scoliodon aff. taxandriae, Scoliodon cf. taxandriae, Scoliodon dentatus, Scoliodon taxandriae
Original description species: (LERICHE, 1926)
Genus: Rhizoprionodon WHITLEY, 1929
Family: Carcharhinidae JORDAN & EVERMANN, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Isurolamna rupeliensis, Lamiostoma gracilis, Lamiostoma rupeliensis, Lamna cf. rupeliensis, Lamna hasloensis, Lamna rupeliensis, Otodus rupeliensis, Oxyrhina gracilis
Original description species: (LE HON, 1871)
Genus: Rhizoquadrangulus BAUT & GENAULT, 1999
Family: Lamnidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhomaleodus cf. budurovi
Original description species: ANDREEV & CUNY, 2012
Genus: Rhomaleodus ANDREEV & CUNY, 2012
Family: incert. fam.
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: NOUBHANI & CAPPETTA, 1994
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhombodus binckhorsti, Rhombodus brinckhorsti, Rhombodus brinkhorsti, Rhombodus cf. binkhorsti, Rhombodus haasi
Original description species: DAMES, 1881
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: VULLO, 2005
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: KRIWET & SOLER-GIJÓN & LÓPEZ-MARTÍNEZ, 2007
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: KRIWET & SOLER-GIJÓN & LÓPEZ-MARTÍNEZ, 2007
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhombodus cf. levis, Rhombodus laevis
Original description species: CAPPETTA & CASE, 1975
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhombodus aff. meridionalis
Original description species: ARAMBOURG, 1952
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ARAMBOURG, 1952
Genus: Rhombodus DAMES, 1881
Family: Rhombodontidae CAPPETTA, 1987
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA, 1980
Genus: Rhombopterygia CAPPETTA, 1980
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: VULLO & COURVILLE, 2014
Genus: Rhombopterygia CAPPETTA, 1980
Family: Rhinobatidae MÜLLER & HENLE, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodonchus minor, Hybodus aff. minor, Hybodus cf. minor, Hybodus longiconus minor , Hybodus minor, Hybodus similis
Original description species: (AGASSIZ, 1837)
Genus: Rhomphaiodon DUFFIN, 1993
Family: incert. fam.
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: DUFFIN, 1993
Genus: Rhomphaiodon DUFFIN, 1993
Family: incert. fam.
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Pristis angustior, Pristis pristinus, Rhynchobatus aff. pristinus, Rhynchobatus angustior, Rhynchobatus cf. pristinus, Rhynchobatus mayeri
Original description species: (PROBST, 1877)
Genus: Rhynchobatus MÜLLER & HENLE, 1837
Family: Rhinidae MÜLLER & HENLE, 1841
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: LAURITO MORA, 1999
Genus: Rhynchobatus MÜLLER & HENLE, 1837
Family: Rhinidae MÜLLER & HENLE, 1841
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Rhynchobatis vincenti, Rhynchobatus cf. vincenti
Original description species: JAEKEL, 1894
Genus: Rhynchobatus MÜLLER & HENLE, 1837
Family: Rhinidae MÜLLER & HENLE, 1841
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: CAPPETTA, MORRISON & ADNET, 2019
Genus: Rolfodon CAPPETTA, MORRISON & ADNET, 2019
Family: Chlamydoselachidae GARMAN, 1884
Suborder: Chlamydoselachoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ZANGERL, 1981
Genus: Romerodus ZANGERL, 1981
Family: Caseodontidae ZANGERL, 1981
Superfamily: Caseodontoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali

Original description species: SANSOM, ALDRIDGE & SMITH, 2000
Genus: Rongolepis SANSOM, ALDRIDGE & SMITH, 2000
Family: Mongolepididae KARATAJUTE-TALIMAA & NOVITSKAYA, 1990
Suborder: KARATAJUTE-TALIMAA, NOVITSKAYA, ROZMAN & SODOV, 1990
Order: Mongolepidida

Original description species: HAIRAPETIAN & GINTER, 2009
Genus: Roongodus HAIRAPETIAN & GINTER, 2009
Family: Polyacrodontidae GLICKMAN, 1964
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: VULLO & CAPPETTA & NÉRAUDEAU, 2007
Genus: Roulletia VULLO, CAPPETTA & NÉRAUDEAU, 2007
Family: Odontaspididae MÜLLER & HENLE, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: UNDERWOOD & CUMBAA, 2010
Genus: Roulletia VULLO, CAPPETTA & NÉRAUDEAU, 2007
Family: Odontaspididae MÜLLER & HENLE, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: FIGUEROA & GALLO, 2017
Genus: Rubencanthus FIGUEROA & GALLO, 2017
Family: Sphenacanthidae MAISEY, 1982
Order: incert. sedis
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: ZHANG, CHEN, CHENG & ZHANG, 2012
Genus: Rugosicorona JOHNS, BARNES, & ORCHARD, 1997
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii