Porcupine Rays (Urogymnus) is a biological genus in the family Dasyatidae (Whiptail Stingrays) and order Myliobatiformes (Stingrays).
Urogymnus africanus
Urogymnus asperrimus
Dasyatis
Pastinachus
Urogymnus
Pteroplatytrygon
Taeniura
Himantura