Acteonemertidae is a family of worms belonging to the order Monostilifera. It contains 5 genera which are terrestrial and can be found on the Iberian Peninsula.
Members of the family Acteonemertidae are a group of terrestrial and semi-terrestrial nemerteans. Nemerteans are ribbon worms with significant ecological diversity, with many species living on coastlines and fully terrestrial environments(Chernyshev, A. V. 2005). They are capable of surviving in harsh weather or water-scarce habitats by forming protective cocoons to prevent them from being dried out (Thollesson & Norenburg, 2003).
Genera: Acteonemertes Pantin, 1961 Antiponemertes Moore & Gibson, 1981 Argonemertes Moore & Gibson, 1981 Katechonemertes Moore & Gibson, 1981 Leptonemertes Girard, 1893
References
3. Chernyshev, A. V. (2005). System of Families of Enoplan Nemerteans of the Order Eumonostilifera (Nemertea: Enopla). Russian Journal of Marine Biology, 31, S27–S33. https://doi.org/10.1007/s11179-006-0012-6
4. Thollesson, M., & Norenburg, J. L. (2003). Ribbon worm relationships: a phylogeny of the phylum Nemertea. Proceedings of the Royal Society. B, Biological Sciences, 270(1513), 407–415. https://doi.org/10.1098/rspb.2002.2254