The Monopisthocotylea are an inferior class of parasitic flatworms in the class

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 ...

.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 inferior classes in the class

: * Monopisthocotylea. The name means "a huge 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 diffe ...

) is simple. *

Polyopisthocotylea Polyopisthocotylea is a subclass of parasitic flatworms in the class Monogenea.WoRMS (2023). Polyopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119220 on 2023-12-21Yamaguti, S. (1963). Systema Helminthum Volu ...

. The name means "a little sucker" - 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 u ...

or suckers. The inferior class Monopisthocotylea contains these orders: * Order

Capsalidea Capsalidea is an order of parasitic flatworms in the class 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 ...

* 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 * Ancylodisc ...

* Order

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

* Order

Monocotylidea The Monopisthocotylea are an inferior class of parasitic flatworms in the class Monogenea.WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119219 on 2019-02-08 Yamaguti, S. (1963). Systema Helmi ...

* Order

Montchadskyellidea The Monopisthocotylea are an inferior class of parasitic flatworms in the class Monogenea.WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119219 on 2019-02-08 Yamaguti, S. (1963). Systema Helmi ...

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 posteri ...

'', 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 Mediterr ...

'' off the United Kingdom * ''

Gyrodactylus salaris ''Gyrodactylus salaris'', commonly known as salmon fluke, salmon killer, or the Norwegian salmon killer is a tiny monogenean ectoparasite which lives on the body surface of freshwater fish. This leech-like parasite has been implicated in the redu ...

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

salmon Salmon (; : salmon) are any of several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the genera ''Salmo'' and ''Oncorhynchus'' of the family (biology), family Salmonidae, native ...

in Norway * '' Calydiscoides euzeti'', a diplectanid from the emperor, ''

Lethrinus rubrioperculatus ''Lethrinus rubrioperculatus'',the spotcheek emperor, red-eared emperor, red-ears, red-edged emperor, scarlet-cheek emperor, and spot cheek emperor, is a species of marine ray-finned fish Actinopterygii (; ), members of which are known as ray ...

'' *'' Pseudorhabdosynochus epinepheli'', a diplectanid from

grouper Groupers are a diverse group of marine ray-finned fish in the family Epinephelidae, in the order Perciformes. Groupers were long considered a subfamily of the seabasses in Serranidae, but are now treated as distinct. Not all members of this f ...

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 Ancyrocephalidae (or Dactylogyridae according to certain classifications). It is a parasite of the gills of the fish '' Tanganicodus irsacae'' (Perciforme, Cich ...

'' 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 on ...

'', which are parasites on the gills of

cichlid Cichlids () are a large, diverse, and widespread family of percomorph fish in the family Cichlidae, order Cichliformes. At least 1,760 species have been scientifically described, making it one of the largest vertebrate families, with on ...

fish

References

{{Authority control Protostome subclasses