(Rhinobatos,(Raja,(Hexatrygon,((Gymnura,(Promyliobatis,((Aetobatus,(Mobula,Rhinoptera)),(Aetomylaeus,(Myliobatis,Weissobatis))))),((Plesiobatis,((Asterotrygon,Heliobatis),((Lessiniabatis,(Styracura,(((Pteroplatytrygon,(Dasyatis,Pastinachus)),(Neotrygon,Taeniura,Tethytrygon)),(Himantura,Protohimantura)),(Heliotrygon,Paratrygon,(Plesiotrygon,Potamotrygon)))),(Urobatis,Urotrygon)))),(Trygonoptera,Urolophus))))));