Udonellidae is a family of
flatworms
The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") are a phylum of relatively simple bilaterian, unsegment ...
belonging to the 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 ...
.
Genera:
* ''
Udonella''
Johnston, 1835
References
Platyhelminthes
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