After Parker, 1982
<==o Microspora [Microsporidia Balbiani, 1882] |-- Metchnikovellidae [Rudimicrosporea: Metchnikovellida] `--o Microsporea |--o Minisporida | |-- Hesseidae | |-- Chytridiopsidae | |-- Burkeidae | `-- Buxtehudeidae `--o Microsporida |--o Pansporoblastina | |-- Pleistophoridae | |-- Pseudopleistophoridae | |-- Duboscqiidae | |-- Thelohaniidae | |-- Burenellidae | |-- Amblyosporidae | |-- Culicosporidae | |-- Gurleyidae | |-- Telomyxidae | `-- Tuzetiidae `--o Apansporoblastina |-- Glugeidae |-- Spraguidae |-- Unikaryonidae |-- Pereziidae |-- Cougourdellidae |-- Caudosporidae |-- Nosematidae `-- Mrazekiidae
Reference(s):
- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company