L. Forró szerk.: Miscellanea Zoologica Hungarica 12. 1998 (Budapest, 1998)

Forró, L.; Farkas, S.: Checklist, preliminary distribution maps, and bibliography of woodlice in Hungary (Isopoda: Oniscidea)

29. Porceílium graevei Verhoeff, 1919 30. Protracheoniscus amoenus (CL. Koch, 1841) both 31. Protracheoniscus major (Dollfus, 1903) 32. Protracheoniscus poíitus (CL. Koch, 1841)