| calicophoron calicophorum | species | eukaryota | invertebrates | species | 27854 |
| calicophoron cauliorchis | species | | | species | |
| calicophoron raja | species | | | species | 1886760 |
| carmyerius gregarius | species | | | species | 1886762 |
| carmyerius spatiosus | species | eukaryota | invertebrates | species | 859980 |
| ceylonocotyle scoliocoelium | species | | | species | |
| ceylonocotyle streptocoelium | species | | | species | |
| explanatum explanatum | species | | | species | 1224815 |
| fischoederius cobboldi | species | eukaryota | invertebrates | species | 691744 |
| fischoederius elongatus | species | eukaryota | invertebrates | species | 691745 |