Ceratophyllus Curtis, 1832
Ceratophyllus styx concinnus Scalon, 1977
Ceratophyllus styx freyi Nordberg, 1935
Ceratophyllus styx jordani Smit, 1955
Ceratophyllus styx riparius Jordan & Rothschild, 1920
Ceratophyllus styx subsp. styx Rothschild, 1900
