Lithoglyphus naticoides, the gravel snail, is a species of small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae.
Opisthorchiidae is a family of digenean trematodes. Opisthorchiidae have cosmopolitan distribution.
Plagioporus skrjabini is a species of a trematode in the family Opecoelidae.
Apocreadiidae is a family of parasitic worms in the class Trematoda.
Ophiotaenia is a genus of tapeworms in the Proteocephalidae family.
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.
Capsalidae is a family of monopisthocotylean monogeneans, which includes about 200 species.
Neolebouria is a genus of trematodes in the family Opecoelidae.
Opegaster is a genus of trematodes in the family Opecoelidae.
Philophthalmidae is a family of trematodes in the order Plagiorchiida.
Strigeidae is a family of trematodes in the order Diplostomida.
Cryptogonimidae is a family of trematodes belonging to the order Plagiorchiida.
Hemiuridae is a family of trematodes belonging to the order Plagiorchiida containing 514 described species.
Syphacia is a genus of nematodes belonging to the family Oxyuridae.
Prosthogonimus is a genus of trematodes belonging to the family Prosthogonimidae.
Cotylurus is a genus of trematodes belonging to the family Strigeidae.
Porrorchis is a genus of worms belonging to the family Plagiorhynchidae.
Dichelyne is a genus of nematodes belonging to the family Cucullanidae.
Baruscapillaria is a genus of nematodes belonging to the family Capillariidae.
Holostephanus is a genus of parasitic trematodes in the family Cyathocotylidae.
