| Helicometra | |
|---|---|
| |
| Helicometra sp. (Plagiorchiida: Opecoelidae) from the intestine of a Flame Cardinal fish | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Class: | Trematoda |
| Order: | Plagiorchiida |
| Family: | Opecoelidae |
| Subfamily: | Helicometrinae |
| Genus: | Helicometra Odhner, 1902 |
Helicometra is a genus of trematodes in the class Opecoelidae. It is synonymous with Allostenopera Baeva, 1968, Metahelicometra Yamaguti, 1971, and Stenopera Manter, 1933. Its type species is H. fasciata (Rudolphi, 1819). They are distinguished by their unique spiral uterus, from which their name is derived.