The Monopisthocotylea are a subclass of parasitic flatworms in the class

Monogenea Monogeneans 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 have both male and female reprod ...

. WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119219 on 2019-02-08 Yamaguti, S. (1963). Systema Helminthum Volume IV Monogenea and Aspidocotylea: John Wiley & Sons.Hayward, C. (2005). Monogenea Polyopisthocotylea (ectoparasitic flukes). In K. Rohde (Ed.), Marine Parasitology (pp. 55-63): CSIRO, Collingwood, Australia & CABI, Oxon, UK.

Classification

There are only two subclasses in the class

: * Monopisthocotylea. The name means "a single posterior sucker" - the attachment organ (the

haptor The haptor is the attachment organ of the monogeneans, a group of parasitic Platyhelminthes. The haptor is sometimes called opisthaptor (from ''opistho-'': behind) to emphasize that it is located in the posterior part of the body, and to differe ...

) is simple. *

Polyopisthocotylea Polyopisthocotylea is a subclass of parasitic flatworms in the class Monogenea. WoRMS (2019). Polyopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119220 on 2019-02-08Yamaguti, S. (1963). Systema Helminthum Volum ...

. The name means "several posterior suckers" - the attachment organ (the

) is complex, with several

clamps Clamp may refer to: Tools and devices *Brick clamp, an early method of baking bricks *Clamp (tool), a device or tool used to hold objects in a fixed relative position (many types listed) ** C-clamp ** C-clamp (stagecraft) **Riser clamp, a device ...

or suckers. The subclass Monopisthocotylea contains these orders: * Order Capsalidea * Order

Dactylogyridea Dactylogyridea is an order of parasitic flatworms in the class Monogenea.WoRMS (2018). Dactylogyridea. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=517897 on 2018-08-09 Families * Amphibdellatidae Carus, 1885 * Ancylodiscoid ...

* Order

Gyrodactylidea Gyrodactylidea is an order of monogenean parasitic flatworms in the subclass Monopisthocotylea The Monopisthocotylea are a subclass of parasitic flatworms in the class Monogenea. WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinesp ...

* Order Monocotylidea * Order Montchadskyellidea

Example of species

* ''

Entobdella soleae ''Entobdella soleae'' is a monogenean (Platyhelminth) skin parasite of the common sole, ''Solea solea'', an important food fish. They are approximately 2 to 6 mm in length. It is flat, translucent, and has a large, disc-shaped haptor, a posterio ...

'', a capsalid from the sole ''

Solea solea The common sole, Dover sole, or black sole (''Solea solea'') is a species of flatfish in the family Soleidae. It is one of the largest fish in the ''Solea'' genus. It lives on the sandy or muddy seabed of the northern Atlantic and the Mediterra ...

'' off the United Kingdom * ''

Gyrodactylus salaris ''Gyrodactylus salaris'', commonly known as salmon fluke, is a tiny monogenean ectoparasite which lives on the body surface of freshwater fish. This leech-like parasite has been implicated in the reduction of Atlantic salmon populations in the No ...

'', a gyrodactylid, or "salmon fluke", a deadly parasite of

salmon Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...

in Norway * ''

Calydiscoides euzeti ''Calydiscoides euzeti'' is a species of monogenean of the family Diplectanidae. As all members of the family Diplectanidae, it has a single posterior testis and a single ovary that wraps the lateral caecum of the intestine. As all members of ...

'', a diplectanid from the emperor, '' Lethrinus rubrioperculatus'' *''

Pseudorhabdosynochus epinepheli ''Pseudorhabdosynochus epinepheli'' is a diplectanid monogenean parasitic on the gills of species of groupers. It is the type species of the genus '' Pseudorhabdosynochus'' Yamaguti, 1958. Description ''Pseudorhabdosynochus epinepheli'' is a ...

'', a diplectanid from

grouper Groupers are fish of any of a number of genera in the subfamily Epinephelinae of the family Serranidae, in the order Perciformes. Not all serranids are called "groupers"; the family also includes the sea basses. The common name "grouper" is u ...

s, and many other species of ''

Pseudorhabdosynochus ''Pseudorhabdosynochus'' is a genus of monopisthocotylean monogeneans, included in the family Diplectanidae. The type-species of the genus is ''Pseudorhabdosynochus epinepheli'' ( Yamaguti, 1938). The genus includes more than 80 species, which a ...

'' *''

Cichlidogyrus evikae ''Cichlidogyrus evikae'' is a species of monopisthocotylean monogenean in the family Dactylogyridae (or Ancyrocephalidae according to certain classifications). It is a parasite of the gills of the fish '' Tanganicodus irsacae'' (Perciforme, Ci ...

'' and many other species of the genus ''

Cichlidogyrus ''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 ...

'', which are parasites on the gills of

cichlid Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted this ...

fish

References

External links

{{Taxonbar, from=Q3384932 Protostome subclasses