Lee E. Frelich, Cindy M. Hale, Stefan Scheu, Andrew R. Holdsworth, Liam Heneghan, Patrick J. Bohlen, Peter B. Reich. Earthworm invasion into previously earthworm-free temperate and boreal forests. „Biological Invasions”. 8 (6), s. 1235–1245, 2006. DOI: 10.1007/s10530-006-9019-3.
google.pl
Robert J.R.J.BlakemoreRobert J.R.J., An updated list of valid, invalid and synonymous names of Criodriloidea and Lumbricoidea (Annelida: Oligochaeta: Criodrilidae, Sparganophilidae, Ailoscolecidae, Hormogastridae, Lumbricidae, Lutodrilidae), A Series of Searchable Texts on Earthworm Biodiversity, Ecology and Systematics from Various Regions of the World, 2005(ang.).brak strony (książka)(pdf).
