Ultrastructural study and description of Flabelliforma magnivora sp. n. (Microspora: Duboscqiidae), a microsporidian parasite of Daphnia magna (Crustacea: Cladocera: Daphniidae). Acta Protozoologica, 37(1), February 1998: 41-52. 51 [Zoological Record Volume 134]