Crisia ramosa Harmer, 1891
| The marine fauna of British East Africa and Zanzibar, from collections made by Cyril Crossland, M.A., B.Sc, F.Z.S., in the years 1901-1902. Bryozoa-Cyclostomata, Ctenostomata, and Endoprocta (1914) Proceedings of The Zoological Society of London 1914: 831-858 | |
| A nomenclatural index to 'A history of the British Marine Polyzoa' by T.Hincks (1880) J S Ryland (1969) Bulletin of the British Museum (Natural History) 17: 207-260 |