Urolophus, Muller and Henle, 1831

DE CARVALHO, MARCELO R., MAISEY, JOHN G. & GRANDE, LANCE, 2004, Freshwater Stingrays Of The Green River Formation Of Wyoming (Early Eocene), With The Description Of A New Genus And Species And An Analysis Of Its Phylogenetic Relationships (Chondrichthyes: Myliobatiformes), Bulletin of the American Museum of Natural History 2004 (284), pp. 1-136 : 136

Urolophus , 20, 30, 36, 41, 42, 48–50, 53, 54, 59,

66, 69, 80, 83–85, 89, 90, 99f, 100, 101–103,

107, 108, 111, 121 U. aurantiacus , 9, 81, 93 U. cruciatus , 9, 36, 56 U. expansus , 9 U. flavomosaicus , 9, 57 U. gigas , 9 U. lobatus , 9, 92f U. mitosis , 9 U. orarius , 9 U. paucimaculatus , 9 U. sp., 9 U. viridis , 9

†‘‘ Urolophus ’’ crassicaudatus, 11

†‘‘ U. ’’ sp., 11