Uralodus zangerli (1)
KOZLOV,
Original description species: KOZLOV,
Genus: Uralodus KOZLOV,
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Urobatis molleni (1)
HOVESTADT & HOVESTADT-EULER, 2010
Original description species: HOVESTADT & HOVESTADT-EULER, 2010
Genus: Urobatis GARMAN, 1913
Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urobatis sloani (2)
BLAINVILLE, 1816
Original description species: BLAINVILLE, 1816
Genus: Urobatis GARMAN, 1913
Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urobatis sp. (7)

Genus: Urobatis GARMAN, 1913
Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urogymnus sp. (2)

Genus: Urogymnus MÜLLER & HENLE, 1837
Family: Dasyatidae JORDAN, 1888
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus bicuneatus (1)
NOETLING, 1885
Original description species: NOETLING, 1885
Genus: Urolophus MÜLLER & HENLE, 1837
Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus crassicauda (1)
(BLAINVILLE, 1818)
Valid name: Urolophus crassicaudatus
Valid name: Urolophus crassicaudatus
Original description species: (BLAINVILLE, 1818)
Genus: Urolophus MÜLLER & HENLE, 1837
Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus crassicaudatus (11)
(BLAINVILLE, 1818)
Synonyms: Trygon brevicauda, Trygon oblongus, Trygonobatus crassicaudatus, Urolophus brevicauda, Urolophus crassicauda, Urolophus princeps
Original description species: (BLAINVILLE, 1818)
Genus: Urolophus MÜLLER & HENLE, 1837
Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus princeps (3)
HECKEL, 1853
Valid name: Urolophus crassicaudatus
Valid name: Urolophus crassicaudatus
Original description species: HECKEL, 1853
Genus: Urolophus MÜLLER & HENLE, 1837
Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus sp. (12)

Synonyms: Urolophus fuscus, Urolophus tullbergi
Genus: Urolophus MÜLLER & HENLE, 1837
Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias cf. wardi (1)
ZHELEZKO & KOZLOV, 1999
Valid name: Usakias wardi
Valid name: Usakias wardi
Original description species: ZHELEZKO & KOZLOV, 1999
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1838
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias sp. (2)

Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1838
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi (5)
ZHELEZKO & KOZLOV, 1999
Synonyms: Usakias cf. wardi
Original description species: ZHELEZKO & KOZLOV, 1999
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1838
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi gracilis (1)
ZHELEZKO & KOZLOV, 1999
Original description species: ZHELEZKO & KOZLOV, 1999
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1838
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi schorymensis (1)
ZHELEZKO & KOZLOV, 1999
Original description species: ZHELEZKO & KOZLOV, 1999
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1838
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Uyenoa benedeni (1)
(LE HON, 1871)
Valid name: Parotodus benedenii
Valid name: Parotodus benedenii
Original description species: (LE HON, 1871)
Genus: Uyenoa KUGA, 1985
Family: Otodontidae GLICKMAN, 1964
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii