Kingdom Protoctista Hogg, 1860
Phylum Microspora Sprague, 1977 - microsporans
see Phylum Microsporida Balbiani, 1882
Class Microsporea Levine & Corliss, 1963
see Class Microsporidea Corliss & Levine, 1963
Order Microsporida Balbiani, 1882
Suborder Pansporoblastina Tuzet, Maurand, Fize, Michel & Fenwick, 1971
Family Thelohaniidae Hazard & Oldacre, 1975
01 Genus Thelohania Henneguy, 1892
01.1 Genus Orthothelohania Codreanu & Codreanu-Bălcescu, 1974
02 Genus Agmasoma Hazard & Oldacre, 1975
03 Genus Chapmanium Hazard & Oldacre, 1975
04 Genus Cryptosporina Hazard & Oldacre, 1975
05 Genus Heterosporis Schubert, 1969
06 Genus Inodosporus Overstreet & Weidner, 1974
07 Genus Pegmatheca Hazard & Oldacre, 1975
08 Genus Pilosporella Hazard & Oldacre, 1975
09 Genus Systenostrema Hazard & Oldacre, 1975
10 Genus Toxoglugea Léger & Hesse, 1924
10.1 Genus Toxonema Léger & Hesse, 1922, nom. illeg.
see Genus Toxoglugea Léger & Hesse, 1924
10.2 Genus Spironema Léger & Hesse, 1922, nom. illeg.
see Genus Spirospora Kudo, 1925
10.3 Genus Spiroglugea Léger & Hesse, 1924
10.4 Genus Toxospora Kudo, 1925, nom. illeg.
see Genus Toxoglugea Léger & Hesse, 1924
10.5 Genus Spirospora Kudo, 1925
see Genus Toxoglugea Léger & Hesse, 1924
10.6 Genus Spirillonema Wenyon, 1926
see Genus Toxoglugea Léger & Hesse, 1924
11 Genus Ormieresia Vivarès, Bouix & Manier, 1977
12 Genus Helmichia Larsson, 1982
13 Genus Bohuslavia Larsson, 1985