TY - JOUR T1 - Hippoporidra edax (Busk, 1859) and a revision of some fossil and living Hippoporidra (Bryozoa) JF - Bulletin of the British Museum (Natural History) (Geology) Y1 - 1981 A1 - Taylor, P.D. A1 - Cook, P.L. VL - 35 ER -