| Dugesia iberica Gourbault & Benazzi, 1979 | 1979 or earlier | | | |
| Dugesia subtentaculata (Draparnaud, 1801) | 1986 or earlier | | | Iberian Peninsula to Morocco. |
| Dendrocoelum inexspectatum Vila-Farré & Sluys, 2011 | 2011 or earlier | | | |
| Dendrocoelum spatiosum Vila-Farré & Sluys, 2011 | 2011 or earlier | | | |
| Phagocata asymmetrica Vila-Farré & Sluys, 2011 | 2011 or earlier | | | |
| Phagocata flamenca Vila-Farré & Sluys, 2011 | 2011 or earlier | | | |
| Phagocata gallaeciae Vila-Farré & Sluys, 2011 | 2011 or earlier | | | |
| Phagocata pyrenaica Vila-Farré & Sluys, | 2011 or earlier | | | |
| Microplana hyalina Villa-Farre & Sluys, 2011 | 2011 or earlier | | | |
| Microplana robusta Vila-Farré and Sluys, 2011 | 2011 or earlier | | | |
| Obama nungara Carbayo, Alvarez-Presas, Jones & Riutort, 2016 | 2019 or earlier | | | a general review of this invasive species on the Iberian Peninsula, and specimens from Argentina, Brazil, Portuagal and Spain. |