This dataset contains the digitized treatments in Plazi based on the original journal article Nagy, Hajnalka, Felföldi, Tamás, Dózsa-Farkas, Klára (2018): Morphological and molecular distinction of two Fridericia species (Clitellata, Enchytraeidae) having same spermatheca type. Zootaxa 4496 (1): 111-123, DOI: https://doi.org/10.11646/zootaxa.4496.1.8