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

Genus: Urobatis GARMAN, 1913

Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urobatis sloani (2)
BLAINVILLE, 1816
BLAINVILLE, 1816
Original description species:
BLAINVILLE, 1816
Genus: Urobatis GARMAN, 1913
Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Genus: Urobatis GARMAN, 1913

Family: Urotrygonidae MCEACHRAN ET AL., 1996
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Urolophus bicuneatus (1)
NOETLING, 1885
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
Genus: Urolophus MÜLLER & HENLE, 1837

Family: Urolophidae MÜLLER & HENLE, 1841
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias asiaticus (1)
KOZLOV, 2000
KOZLOV, 2000
Original description species:
KOZLOV, 2000
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Genus: Usakias ZHELEZKO & KOZLOV, 1999

Family: Alopiidae BONAPARTE, 1835

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias lerichei (1)
KOZLOV, 2000
KOZLOV, 2000
Original description species:
KOZLOV, 2000
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Genus: Usakias ZHELEZKO & KOZLOV, 1999

Family: Alopiidae BONAPARTE, 1835

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi (6)
ZHELEZKO & KOZLOV, 1999
ZHELEZKO & KOZLOV, 1999
Synonyms:
Usakias cf. wardi
Original description species: ZHELEZKO & KOZLOV, 1999
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Original description species: ZHELEZKO & KOZLOV, 1999

Genus: Usakias ZHELEZKO & KOZLOV, 1999

Family: Alopiidae BONAPARTE, 1835

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi gracilis (1)
ZHELEZKO & KOZLOV, 1999
ZHELEZKO & KOZLOV, 1999
Original description species:
ZHELEZKO & KOZLOV, 1999 
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Usakias ZHELEZKO & KOZLOV, 1999

Family: Alopiidae BONAPARTE, 1835

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Usakias wardi schorymensis (1)
ZHELEZKO & KOZLOV, 1999
ZHELEZKO & KOZLOV, 1999
Original description species:
ZHELEZKO & KOZLOV, 1999 
Genus: Usakias ZHELEZKO & KOZLOV, 1999
Family: Alopiidae BONAPARTE, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Usakias ZHELEZKO & KOZLOV, 1999

Family: Alopiidae BONAPARTE, 1835

Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii