Piscicolidae Johnston, 1865
Calliobdella knightjonesi Burreson, 1984
Calliobdella lophii van Beneden & Hesse, 1863
Calliobdella mammillata (Malm, 1863)
Calliobdella nodulifera (Malm, 1863)
Calliobdella vivida (Verrill, 1872)
