@article {21, title = {Hippoporidra edax (Busk, 1859) and a revision of some fossil and living Hippoporidra (Bryozoa)}, journal = {Bulletin of the British Museum (Natural History) (Geology)}, volume = {35}, year = {1981}, month = {03/1981}, chapter = {243}, issn = {0007-1471}, author = {Taylor, P.D. and Cook, P.L.} }