Monogenea genera

Gyrodactylus is a genus of parasitic flatworms in the family Gyrodactylidae.

Dactylogyrus is a genus of monogeneans in the Dactylogyridae family.

Microcotyle is a genus which belongs to the phylum Platyhelminthes and class Monogenea. Species of Microcotyle are ectoparasites that affect their host by attaching themselves as larvae on the gills of the fish and grow into adult stage. This larval stage is called oncomiracidium, and is characterized as free swimming and ciliated.

Ancyrocephalus is a genus of flatworms belonging to the family Ancyrocephalidae.

Pseudorhabdosynochus is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The type-species of the genus is Pseudorhabdosynochus epinepheli (Yamaguti, 1938).

Neobenedenia is a genius of monopisthocotylean monogenean flatworm parasites.

Solostamenides is a genus which belongs to the family Microcotylidae and class Monogenea.

Metamicrocotyla is a genus which belongs to the family Microcotylidae and class Monogenea. It was created by Yamaguti in 1953 to include Metamicrocotyla bora and Metamicrocotyla filiformis from the gills off the flathead grey mullet Mugil cephalus (Mugilidae). As all Monogenea, species of Metamicrocotyla are ectoparasites that affect their host by attaching themselves as larvae on the gills of the fish and grow into adult stage. This larval stage is called oncomiracidium, and is characterized as free swimming and ciliated. Members of Metamicrocotyla are characterized by a symmetrical haptor,

Lethacotyle is a genus of polyopisthocotylean monogeneans, included in the family Protomicrocotylidae. The genus includes only two species: Lethacotyle fijiensis Manter & Price, 1953 , the type-species of the genus, and Lethacotyle vera Justine, Rahmouni, Gey, Schoelinck, & Hoberg, 2013 . Both species are parasitic on the gills of jacks in the Pacific Ocean. They are known only from three localities: off Fiji, Andaman Islands, and New Caledonia. The genus Lethacotyle is special in that its members have no clamps on their posterior attachment organ or haptor, in contrast to most polyopisthoco

Cynoscionicola is a genus which belongs to the family Microcotylidae and class Monogenea. Species of Cynoscionicola are ectoparasites that affect their host by attaching themselves as larvae on the gills of the fish and grow into adult stage. This larval stage is called oncomiracidium, and is characterized as free swimming and ciliated. This genus was proposed by Price in 1962, to accommodate Cynoscionicola heteracantha and Cynoscionicola pseudoheteracantha (previously included in the genus Microcotyle). Members of Cynoscionicola are characterised by a genital atrium with two anterior muscular

Archigyrodactylus is a genus of monogeneans in the family Gyrodactylidae. It consists of one species, Archigyrodactylus archigyrodactylus Mizelle & Kritsky, 1967.

Allopseudaxine is a genus which belongs to the phylum Platyhelminthes and class Monogenea; all its species are parasites of fish.

Prosomicrocotyla is a genus of monogenean. Species of Prosomicrocotyla are ectoparasites that affect their host by attaching themselves as larvae on the gills of the fish and grow into adult stage. This larval stage is called oncomiracidium, and is characterized as free swimming and ciliated. Members of Prosomicrocotyla are characterised by a spatulate body; an haptor divided into two separate frills bordering posterior half of body proper, commencing at level of ovary; a non differentiated cirrus; a genital atrium forming a sucker-like structure armed with spines and a single middorsal vagin

Cichlidogyrus is a genus of monopisthocotylean monogeneans in the family Ancyrocephalidae. The type-species of the genus is Cichlidogyrus arthracanthus Paperna, 1960, by original designation. All the species of the genus are parasites on the gills of fish, namely African Cichlidae, Nandidae and Cyprinodontidae.

Discocotyle is a genus of flatworms belonging to the family Discocotylidae.

Pseudaxine is a genus which belongs to the phylum Platyhelminthes and class Monogenea; all its species are parasites of fish.

Gyrodactyloides is a genus of monogeneans in the family Gyrodactylidae.

Diplectanum is a genus of monopisthocotylean monogeneans in the family Diplectanidae. The genus, created by Karl Moriz Diesing, gave its name to the family Diplectanidae. All its species are parasites of the gill lamellae of teleosts. The type-species of the genus is Diplectanum aequans (Wagener, 1857).

Haliotrema is a genus of flatworms belonging to the family Ancyrocephalidae.

Acanthocotyle is a genus of monogenean fish skin parasites.

Calydiscoides is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae.

Diclidophora is a genus of flatworms belonging to the family Diclidophoridae.