| Order | Family | Genus | Species |
|---|---|---|---|
| Amphilinidea | 2 | 4 | 5 |
| Aporidea | 1 | 2 | 12 |
| Bothriocephalidea | 4 | 32 | 159 |
| Caryophyllidea | 5 | 36 | 145 |
| Cathetocephalidea | 1 | 2 | 4 |
| Cyclophyllidea | 15 | 165 | 996 |
| Diphyllidea | 1 | 5 | 45 |
| Diphyllobothriidea | 1 | 14 | 170 |
| Gyrocotylidea | 1 | 1 | 12 |
| Haplobothriidea | 1 | 1 | 1 |
| Lecanicephalidea | 8 | 20 | 82 |
| Litobothriidea | 1 | 1 | 8 |
| Nippotaeniidea | 1 | 2 | 9 |
| Onchoproteocephalidea | 0 | 1 | 2 |
| Phyllobothriidea | 2 | 30 | 170 |
| Proteocephalidea | 2 | 64 | 280 |
| Pseudophyllidea | 3 | 3 | 8 |
| Rhinebothriidea | 5 | 18 | 214 |
| Spathebothriidea | 2 | 4 | 4 |
| Tetrabothriidea | 1 | 2 | 17 |
| Tetraphyllidea | 8 | 32 | 273 |
| Trypanorhyncha | 22 | 56 | 194 |