Opecoelidae

Opecoelidae is a family of trematodes. It is the largest digenean family with over 90 genera and nearly 900 species, almost solely found in marine and freshwater teleost fishes. It was considered by Bray et al. to belong in the superfamily Opecoeloidea Ozaki, 1925 or the Brachycladioidea Odhner, 1905.

Opecoeloides is a genus of trematodes in the family Opecoelidae. It has been synonymised with Cymbephallus Linton, 1934 and Fimbriatus von Wicklen, 1946.

Stenakron is a genus of trematodes in the family Opecoelidae.

Opecoelus is a genus of trematodes in the family Opecoelidae.

Neohelicometra is a genus of trematodes in the family Opecoelidae. It consists of only one species, Neohelicometra scorpaenae.

Cainocreadium is a genus of trematodes in the family Opecoelidae. It has been synonymised with Apopodocotyle Pritchard, 1966, Cainocreadoides Nagaty, 1956, and Emmettrema Caballero y Caballero, 1946.

Opecoelina is a genus of trematodes in the family Opecoelidae.

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.

Pseudopecoelus is a genus of trematodes in the family Opecoelidae. It has been synonymised with Neopecoelus Manter, 1947.

Opistholebes is a genus of trematodes in the family Opecoelidae.

Helicometrina is a genus of trematodes in the family Opecoelidae.

Pseudopecoeloides is a genus of trematodes in the family Opecoelidae.

Hexagrammia is a genus of trematodes in the family Opecoelidae.

Dactylostomum is a genus of trematodes in the family Opecoelidae. It is synonymised with Opedunculata Dwivedi, 1975.

Opegaster is a genus of trematodes in the family Opecoelidae.

Genitocotyle is a genus of trematodes in the family Opecoelidae. The species of Genitocotyle are endoparasitic in certain marine fishes.

Hamacreadium is a genus of trematodes in the family Opecoelidae. It is synonymous with Olivacreadium Bilqees, 1976. Species of Hamacreadium are endoparasitic in fish such as Lethrinus Cuvier, 1829.

species of worm

species of worm