basis of recordHayward, P.J. (2001). Bryozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 325-333 (look up in IMIS) [details]
additional sourceDe_blauwe, H. (2009). Mosdiertjes van de Zuidelijke Bocht van de Noordzee: Determinatiewerk voor België en Nederland. <em>Vlaams Instituut voor de Zee, Oostende.</em> 464., available online athttp://www.vliz.be/en/imis?module=ref&refid=138282[details]
additional sourceHayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors
additional sourceAdema, J.P.H.M. (1991). De krabben van Nederland en Belgie (Crustacea, Decapoda, Brachyura) [The crabs of the Netherlands and Belgium (Crustacea, Decapoda, Brachyura)]. <em>Nationaal Natuurhistorisch Museum: Leiden, The Netherlands.</em> ISBN 90-73239-02-8. 244 pp. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality