Kingdom Fungi R.T.Moore (1980) - fungi Phylum Rozellomycota Doweld (2013) Class Rudimicrosporea Sprague, 1977 [monotypic] Order Metchnikovellida Vivier, 1975 Family Metchnikovellidae Caullery & Mesnil, 1914 Genus Microsporidiopsis Schereschewsky, 1925 [monotypic] Microsporidiopsis nereidisᵀ Schereschewsky