Family Urolophidae Gray 1851 (round ray)
Chondrichthyes - Myliobatiformes - Urolophidae
Parent taxon: Myliobatiformes according to G. Marramà et al. 2020
See also Cappetta 1987, Carnevale et al. 2014, Nelson et al. 2016 and Tabuce et al. 2005
Sister taxa: Acanthobatis, Bates, Ceratopteridae, Dasyatidae, Dasyatoidea, Eomanta, Gymnuridae, Hypolophodon, Mobuloidea, Myliobatidae, Myliobatoidea, Myliobatoidei, Phosphatodon, Platyrhinoidei, Ptychacanthus, Rhinopteridae, Texabatis, Urotrygonidae
Subtaxa: Urolophus Urolophus crassicaudatus
Ecology: nektobenthic carnivore
Distribution:
• Quaternary of United States (4: California collections)
• Pliocene of United States (1: California)
• Oligocene of Germany (1)
• Eocene of Italy (3), Morocco (1)
Total: 10 collections including 13 occurrences