monogenea
Monogeneans, members of the class Monogenea, are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they ...
* Diclybothriidae Bychowsky & Gusev, 1950Bychowski, B. E. & Gusev, A. W. (1950). The family Diclybothriidae and its systematic position. ''Parazitologicheskii Sbornik Zoologicheskie Instituta Akademiya Nauk SSSR'', 12, 275–299.
* Hexabothriidae Price, 1942Price, E. W. (1942). North American monogenetic trematodes. V. The family Hexabothriidae, n. n. (Polystomatoidea). ''Proceedings of the Helminthological Society of Washington'', 9(2), 39–56.