Children (23 direct children, 809 direct and indirect children):
Anacanthobatidae
(tree size 51)
Smooth skate
Rajidae
(tree size 551)
Skate
Arhynchobatidae
(tree size 158)
Spathobatis
Cyclobatidae
(tree size 1)
Rhombodontidae
(tree size 2)
Rajorhina
Rajoidea
Rhinobatoidea
Rhynchobatidae
(tree size 12)
Hamrabatis
(tree size 2)
Engolismaia
(tree size 1)
Sclerorhynchoidei
(tree size 1)
Texatrygon
(tree size 5)
Tomewingia
(tree size 1)
Gurgesiellidae
Archaeobatidae
Hypolophidae
Hypsobatidae
(tree size 1)
Spathobatidae
Parapalaeobatidae
Crurirajidae
Ostarriraja