| Capsala caballeroi Winter, 1955 |
| Capsala gregalis (Wagner & Carter, 1967) Chisholm & Whittington, 2007 |
| Capsala laevis (Verrill, 1875) Johnston, 1929 |
| Capsala pricei Hidalgo-Escalante, 1958 |
| Capsalidae Baird, 1853 |
| Capsaloides Price, 1938 |
| Capsaloides hoffmannae Lamothe-Argumedo, 1996 |
| Capsaloides marielenae (Lamothe-Argumedo, 1968) Lamothe-Argumedo, 1996 |
| Capsaloides perugiai (Setti, 1898) Price, 1938 |
| Capsaloides sinuatus (Goto, 1894) Price, 1938 |
| Encotyllabe Diesing, 1850 |
| Encotyllabe pagrosomi MacCallum, 1917 |
| Entobdella Blainville, 1818 |
| Entobdella guberleti Caballero & Bravo-Hollis, 1962 |
| Entobdella hippoglossi (Müller, 1776) Blainville, 1818 |
| Listrocephalos Bullard, Payne & Braswell, 2004 |
| Listrocephalos guberleti (Caballero & Bravo-Hollis, 1962) Bullard, Payne & Braswell, 2004 |
| Listrocephalos kearni Bullard, Payne & Braswell, 2004 |
| Listrocephalos whittingtoni Bullard, Payne & Braswell, 2004 |
| Megalocotyloides Bychowsky & Nagibina, 1967 |