Gorgoderidae

The Gorgoderidae are a family of Flatworms  (Platyhelminthes). They belong to the ordo Plagiorchiida. The species are parasites of fish, amphibians and reptiles.Libbie Henrietta Hyman: The Invertebrates, Volume 2: Platyhelminthes and Rhynchocoela, the Acoleomate Bilateria. They have distome, which means they got two suckers, one at the mouth (oral) and one at the waist (ventral). 

 Systematics 
There are five genera:Animal Diversity Web
 Gorgorodera
 Gorgoderina
 Phyllodistomum
 Probolitrema
 Staphylorchis

 References 

Category:Flatworms
Category:Parasites