@article {2371, title = {Recent discoveries of alien Watersipora (Bryozoa) in Western Europe, with redescriptions of species}, journal = {Zootaxa}, number = {2093}, year = {2009}, note = {Times Cited: 3}, month = {May 6}, pages = {43-59}, isbn = {1175-5326}, url = {://WOS:000266231500003}, author = {Ryland, John S. and De Blauwe, Hans and Lord, Richard and Mackie, Joshua A.} } @book {1203, title = {Cheilostomatous Bryozoa. Part 2. Hippothoidea - Celleporoidea}, series = {Synopses of the British Fauna (new series)}, volume = {14}, year = {1999}, publisher = {Field Studies Council}, organization = {Field Studies Council}, address = {Shewsbury}, keywords = {Identification Guide}, url = {http://www.field-studies-council.org/publications/pubsinfo.aspx?Code=14 }, author = {Hayward, P.J. and Ryland, J.S.}, editor = {Barnes, R.S.K and Crothers, J.H} }