basis of recordHayward, P.J.; Ryland, J.S. (Ed.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp. (look up in IMIS) [details]
additional sourceKrantz, G.W.; Walter, D.E. (2009). A Manual of Acarology. Third Edition. Texas Tech University Press; Lubbock, Texas, 807 pp, ISBN 978-0-89672-620-8., available online athttps://doi.org/10.1653/024.092.0323[details]