Monopisthocotylea
Echinoplectanum laeve, a member of family Diplectanidae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Platyhelminthes
Class:	Monogenea
Subclass:	Monopisthocotylea

The Monopisthocotylea are a subclass of parasitic flatworms in the class Monogenea.^[1][2][3]

Classification

There are only two subclasses in the class Monogenea:

• Monopisthocotylea. The name means "a single posterior sucker" - the attachment organ (the haptor) is simple.
• Polyopisthocotylea. The name means "several posterior suckers" - the attachment organ (the haptor) is complex, with several clamps or suckers.

The subclass Monopisthocotylea contains these orders:^[1]

• Order Capsalidea
• Order Dactylogyridea
• Order Gyrodactylidea
• Order Monocotylidea
• Order Montchadskyellidea

Example of species

• Entobdella soleae, a capsalid from the sole Solea solea off the United Kingdom
• Gyrodactylus salaris, a gyrodactylid, or "salmon fluke", a deadly parasite of salmon in Norway
• Calydiscoides euzeti, a diplectanid from the emperor, Lethrinus rubrioperculatus
• Pseudorhabdosynochus epinepheli, a diplectanid from groupers, and many other species of Pseudorhabdosynochus
• Cichlidogyrus evikae and many other species of the genus Cichlidogyrus, which are parasites on the gills of cichlid fish