from The American Heritage® Dictionary of the English Language, 4th Edition

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many flatworms of the class Monogenea


From New Latin Monogenea, order name : mono- + Greek geneā, race; see genealogy.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Yet, half of spadefoot toads carry the monogenean Pseudodiplorchis, and each toad carries an average of five.

    Parasite Rex

  • Members of one genera of monogenean, Polystoma, lives in the urinary bladders of frogs.



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