Dictionary:

monogenean

  (mŏn'ə-jē'nē-ən)

Any of various trematodes of the order Monogenea that typically pass the entire life cycle as ectoparasites on a single fish.

[From New Latin Monogenea, order name : MONO– + Greek geneā, race; see genealogy.]

Pertaining to or emanating from Monogenea.