Monopisthocotylea

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

Capsalidae is a family of monopisthocotylean monogeneans, which includes about 200 species.

Dactylogyridea is an order of parasitic flatworms in the class Monogenea.

Neobenedenia is a genius of monopisthocotylean monogenean flatworm parasites.

Monocotylidae is a family of monogenean flatworms.

Ancylodiscoididae is a family of parasitic flatworms belonging to the order Dactylogyridea.

species of worm

Calceostomatidae is a family of flatworms belonging to the order Dactylogyridea.

Tetraonchidae is a family of flatworms belonging to the order Dactylogyridea.