Kingdom Fungi R.T.Moore (1980) - fungi Phylum Rozellomycota Doweld (2013) Class Microsporidea Corliss & Levine, 1963 Order Dissociodihaplophasida Sprague, Becnel & Hazard, 1992 Family Pseudopleistophoridae Sprague, 1977 Genus Steinhausia Sprague, Ormières & Manier, 1972 1 Steinhausia mytilovumᵀ (Field, 1924)