Álvarez-Presas, M., Littlewood, D.T.J., Mateos, E. and Jones, H.D. 2023. Exploring gene sequences and phylogenetic relationships of four terrestrial planarian species (Platyhelminthes; Tricladida; Geoplanidae) in Europe. Zootaxa. 5336, 1 (Aug. 2023), 95–112. DOI:https://doi.org/10.11646/zootaxa.5336.1.4.