| Aonchotheca López-Neyra, 1947 |
| Aonchotheca (Aonchotheca) López-Neyra, 1947 |
| Aonchotheca (Aonchotheca) putorii (Rudolphi, 1819) López-Neyra, 1947 |
| Aonchotheca martinezi (Caballero, 1942) Moravec, 1982 |
| Aonchotheca speciosa (Van Beneden, 1873) Moravec, 1982 |
| Baruscapillaria Moravec, 1982 |
| Baruscapillaria obsignata (Madsen, 1945) Moravec, 1982 |
| Calodium Dujardin, 1845 |
| Calodium hepaticum (Bancroft, 1893) Moravec, 1982 |
| Capillaria Zeder, 1800 |
| Capillaria (Hepatocapillaria) Moravec, 1987 |
| Capillaria (Hepatocapillaria) cichlasomae Moravec, Scholz & Mendoza-Franco, 1995 |
| Capillaria (Procapillaria) Moravec, 1987 |
| Capillaria (Procapillaria) gracilis (Bellingham, 1845) Travassos, 1915 |
| Capillaria anatis (Schrank, 1790) Travassos, 1915 |
| Capillaria carioca Freitas & Lent, 1935 |
| Capillaria contorta (Creplin, 1839) Travassos, 1915 |
| Capillaria cyprinodonticola Huffman & Bullock, 1973 |
| Capillaria gastrica (Baylis, 1926) Baylis, 1931 |
| Capillaria hepatica (Bancroft, 1893) Travassos, 1915 |