Reference citation: Sims, R.W. & Gerard, B.M.. 1985. Earthworms. The Linnean Society of London. Vol 31. Synopses of the British Fauna (New Series)
Source citation: Food Webs and Species Interactions in the Biodiversity of UK and Ireland (Online). 2017. Data provided by Malcolm Storey. Also available from http://bioinfo.org.uk.
