1. Braun, A., 1856. Über neue Arten der GattungChytridium and über die damit verwandte Gattung Rhizidium. Mber. Akad. Wiss. Berlin. p. 591.
2. Buckley, J. J. C. &P. A. Clapham, 1929. The invasion of helminth eggs by chytridiacean fungi. J. Helminth.7: 1–14.
3. Butler, E. J., 1928. Morphology of the Chytridiacean fungusCatenaria anguillulae in liver-fluke eggs. Ann. Bot.42 813–821.
4. Butler, J. B. &J. C. Buckley, 1927.Catenaria anguillulae as a parasite of the ova ofFasciola hepatica. Sci. Proc. R. Dublin Soc.18 497–512.
5. Butler, E. J. &Annie Humphries, 1932. On the cultivation in artificial media ofCatenaria anguillulae, a chytridiacean parasite of the ova of the liver-fluke,Fasciola hepatica. Sci. Proc. R. Dublin Soc.20 301–324.