Allman, G.J. 1856. A monograph of the Fresh-water Polyzoa, including all the known species, both British and foreign. The Ray Society, 28: 1-119.
Anderson, C. L. Canning, E. U. and Okamura, B. 1999. Molecular data implicate bryozoans as hosts for PKX (Phylum Myxozoa) and identify a clade of bryozoan parasites within the Myxozoa. Parasitology 119:555-561.
Canning, E.U. Curry, A, and Okamura, B. 2007. Early development of the myxozoan Buddenbrockia plumatellae in the bryozoans Hyalinella punctata and Plumatella fungosa, with comments on taxonomy and systematics of the Myxozoa. Folia Parasitologica 55: 241-255.
Figuerola, J. Green, A. J. and Santamaria, L. 2003. Passive internal transport of aquatic organisms by waterfowl in Donana, south-west Spain. Global Ecology and Biogeography 12:427-436
Hartikainen, H. Hill, S. L. L. and Okamura, B. 2007. Distibution and conservation of Lophopus crystallinus in the UK in Hageman, S. J. Key, M. M. and Winston, J. E. eds. International Bryozoology Association Conference. Virginia Museum of Natural History, Boone, North Carolina, July 1-8.
Hill, S. L. L. 2006. The ecology and conservation of the rare freshwater bryozoan, Lophopus crystallinus. School of Biological Sciences. University of Reading, Reading.
Hill, S. L. L., and B. Okamura. 2007. Endoparasitism in colonial hosts: patterns and processes. Parasitology 134:841-852.
Kaminski, M. 1984. Food composition of three bryozoan species (Bryozoa, Phylactolaemata) in a mesotrophic lake. Polskie Archiwum Hydrobiologii 31:45-53.
Okamura, B. 1997. The ecology of subdivided populations of clonal freshwater bryozoan in southern England. Archiv für Hydrobiologie 44:13-34.
Okamura, B. and Hatton-Ellis, T. 1995. Population biology of bryozoans: correlates of sessile, colonial life histories in freshwater habitats. Experientia 51:510-525.
Raddum, G. G., and T. M. Johnsen. 1983. Growth and feeding of Fredericella sultana (Bryozoa) in the outlet of a humic acid lake. Hydrobiologia 101:115-120.
Pallas, P.S. 1768. Descripto Tubulariae fugosa prope Volodemirum mense Julio 1768 observatae. Novi Commentarii academiae scientiarum imperialis Petropolitanae, 12, 565-572.
Trembley, A. 1744. Memoirs pour servir a l’histoire d’un genre de Polypes d’eau douce, a bras en forme de cornes. Leiden, 1-322.
Wood, T. S. and Okamura, B. 2005. A key to the British and European freshwater bryozoans with ecological notes. Freshwater Biological Association, Ambleside, United Kingdom.
Wöss, E. R. 1996. Life-history variation in freshwater bryozoans. Pp. 391-399 in Gordon, D. P. Smith, A. M. and Grant-Mackie, J. A. eds. Bryozoans in space and time. NIWA, Wellington, New Zealand.