Abelspora Azevedo, 1987 (verified source for family)
Abelsporidae Azevedo, 1987 (taxonomy source)
Acarispora Radek & Alberti in Radek et al., 2015 (current name source)
Acarispora Radek & Alberti in Radek et al., 2015 (verified source for family)
Aedispora Kilochitskii, 1997 (current name source)
Aedispora Kilochitskii, 1997 (verified source for family)
Agglomerata Larsson & Yan, 1988 (verified source for family)
Agmasoma Hazard & Oldacre, 1975 (verified source for family)
Alfvenia Larsson, 1983 (verified source for family)
Alloglugea Paperna & Lainson, 1995 (verified source for family)
Alternosema Lipa, Tokarev & Issi, 2020 (current name source)
Alternosema Lipa, Tokarev & Issi, 2020 (verified source for family)
Amblyospora Hazard & Oldacre, 1975 (current name source)
Amblyospora Hazard & Oldacre, 1975 (verified source for family)
Amblyosporida (extant flag source)
Amblyosporida (taxonomy source)
Amblyosporida (current name source)
Amblyosporida (original description)
Amblyosporida (basis of record)
Amblyosporida (name verified source)
Amblyosporidae Weiser, 1977 (taxonomy source)
Amblyosporidae Weiser, 1977 (current name source)
Ameson Sprague, 1977 (verified source for family)
Amoeboaphelidiidae Cavalier-Smith, 2013 accepted as Aphelidiaceae L. Tedersoo, S. Sanchez-Ramirez, U. Kõljalg, M. Bahram, M. Döring, D. Schigel, T.W. May, M. Ryberg & K. Abarenkov, 2018 (source of synonymy)
Amoeboaphelidium A. Scherffel, 1925 (verified source for family)
Amphiacantha Caullery & Mesnil, 1914 (verified source for family)
Amphiacantha Caullery & Mesnil, 1914 (current name source)
Amphiacanthidae Larsson, 2000 (current name source)
Amphiacanthidae Larsson, 2000 (basis of record)
Amphiacanthidae Larsson, 2000 (taxonomy source)
Amphiamblys Caullery & Mesnil, 1914 (verified source for family)
Anisofilariata Tokarev, Voronin, Seliverstova, Dolgikh, Pavlova, Ignatieva & Issi, 2010 (verified source for family)
Anncaliia Issi, Krylova & Nikolaeva, 1993 (verified source for family)
Anostracospora Rode, Landes, Lievens, Flaven, Segard, Jabbour-Zahab, Michalakis, Agnew, Vivarès & Lenormand, 2013 (current name source)
Anostracospora Rode, Landes, Lievens, Flaven, Segard, Jabbour-Zahab, Michalakis, Agnew, Vivarès & Lenormand, 2013 (verified source for family)
Antonospora Fries, Paxton, Tengö, da Silva, Slemenda & Pieniazek, 1999 (verified source for family)
Apotaspora Sokolova & Overstreet, 2018 (current name source)
Apotaspora Sokolova & Overstreet, 2018 (verified source for family)
Areospora Stentiford, Bateman, Feist, Oyarzún, Uribe, Palacios & Stone, 2014 (verified source for family)
Areosporiidae Stentifor, Bateman, Feist, Oyarzún, Uribe, Palacios & Stone, 2014 (taxonomy source)
Auraspora Weiser & Purrini, 1980 (verified source for family)
Bacillidiidae Larsson, 1986 accepted as Neopereziidae Voronin, 2001 (source of synonymy)
Bacillidium Janda, 1928 (verified source for family)
Baculea Loubès & Akbarieh, 1978 (verified source for family)
Berwaldiidae Simakova, Tokarev & Issi, 2018 (basis of record)
Berwaldiidae Simakova, Tokarev & Issi, 2018 (taxonomy source)
Berwaldiidae Simakova, Tokarev & Issi, 2018 (current name source)
Binucleata Refardt, Decaestecker, Johnson & Vávra, 2008 (verified source for family)
Bohuslavia Larsson, 1985 (verified source for family)
Bryonosema Canning, Refardt, Vossbrinck, Okamura & Curry, 2002 (verified source for family)
Burenella Jouvenaz & Hazard, 1978 (verified source for family)
Burenellidae Jouvenaz & Hazard, 1978 (verified source for family)
Burenellidae Jouvenaz & Hazard, 1978 (current name source)
Burkeidae (taxonomy source)
Buxtehudea Larsson, 1980 (verified source for family)
Buxtehudeidae Larsson, 1980 (taxonomy source)
Canningia Weiser, Wegensteiner & Žižka, 1995 (verified source for family)
Caudosporidae Weiser, 1958 (name verified source)
Caudosporidae Weiser, 1958 (taxonomy source)
Caudosporidae Weiser, 1958 (current name source)
Caulleryetta Dogiel, 1922 (current name source)
Caulleryetta Dogiel, 1922 (verified source for family)
Chapmanium Hazard & Oldacre, 1975 (verified source for family)
Chytridiopsida (taxonomy source)
Chytridiopsidae Sprague, Ormières & Manier, 1972 (taxonomy source)
Chytridiopsidea (extant flag source)
Chytridiopsidea (name verified source)
Chytridiopsidea (basis of record)
Chytridiopsidea (current name source)
Chytridiopsis Schneider, 1884 (verified source for family)
Ciliatosporidium Foissner & Foissner, 1995 (verified source for family)
Coccospora Kudo, 1925 (verified source for family)
Conglomerata Vávra, Fiala, Krylová, Petrusek & Hyliš, 2018 (current name source)
Conglomerata Vávra, Fiala, Krylová, Petrusek & Hyliš, 2018 (verified source for family)
Cougourdella Hesse, 1935 (verified source for family)
Cougourdellidae Poisson, 1953 (extant flag source)
Cougourdellidae Poisson, 1953 (name verified source)
Cougourdellidae Poisson, 1953 (taxonomy source)
Crispospora Tokarev, Voronin, Seliverstova, Pavlova & Issi, 2010 (verified source for family)
Crustaceacida accepted as Glugeida (source of synonymy)
Cryptosporina Hazard & Oldacre, 1975 (verified source for family)
Cucumispora Ovcharenko, Bacela, Wilkinson, Ironside, Rigaud & Wattier, 2009 (verified source for family)
Cucumispora Ovcharenko, Bacela, Wilkinson, Ironside, Rigaud & Wattier, 2009 (current name source)
Culicospora Weiser, 1977 (verified source for family)
Culicosporella Weiser, 1977 (verified source for family)
Culicosporellidae Becnel & Fukuda, 1991 accepted as Amblyosporidae Weiser, 1977 (source of synonymy)
Culicosporidae Weiser, 1977 accepted as Amblyosporidae Weiser, 1977 (source of synonymy)
Cylindrospora Issi & Voronin in Issi, 1986 (verified source for family)
Cylindrosporidae Issi & Voronin, 1986 (extant flag source)
Cylindrosporidae Issi & Voronin, 1986 (basis of record)
Cylindrosporidae Issi & Voronin, 1986 (name verified source)
Cylindrosporidae Issi & Voronin, 1986 (current name source)
Cylindrosporidae Issi & Voronin, 1986 (taxonomy source)
Cystosporogenes Canning, Barker, Nicholas & Page, 1984 (verified source for family)
Desmozoon Freeman & Sommerville, 2009 (verified source for family)
Desportesia Issi & Voronin in Issi, 1986 (verified source for family)
Dictyocoela Terry, Smith, Sharpe, Rigaud, Littlewood, Ironside, Rollinson, Bouchon, MacNeil, Dick & Dunn, 2004 (verified source for family)
Disporea accepted as Microsporidea (source of synonymy)
Duboscqiidae Sprague, 1977 (verified source for family)
Duboscqiidae Sprague, 1977 (taxonomy source)

 Taxonomic remark

 for Burkeidae

Genus but not family is formally treated in the systematic list given in Wijayawardene et al., 2020. From that ... [details]

 Taxonomic remark

 for Buxtehudeidae Larsson, 1980

Misspelled ("Buxtehudidae") in Wijayawardene et al., 2020. [details]

 Taxonomic remark

 for Chytridiopsidea

Cited as an order in table and text of Wijayawardene et al., 2020, however the ending -ea denotes a class. Assigned ... [details]

 Taxonomic remark

 for Disporea

Class not recognised in Wijayawardene et al., 2020. Ruggiero et al., 2015 list this as an accepted class including ... [details]

 Taxonomic remark

 for Glugeidae Thélohan, 1892

Authority given as Thélohan, 1892 in most sources, however Wijayawardene et al., 2020 cite the authority for this ... [details]

 Taxonomic remark

 for Kabataia Lom, Dyková & Tonguthai, 1999

Junior homonym of Kabataia Kazachenko, Korotaeva & Kurochkin, 1972 (Crustacea; replacement name is Kabatana, however ... [details]

 Taxonomic remark

 for Longicollus Georgévitch, 1957

Described as Microsporidia in original work and allocated therein to a new family, Longicollidae, however not ... [details]

 Taxonomic remark

 for Marinosporidia

Not accepted as a class in the systems of Ruggiero et al., 2015 or Wijayawardene et al., 2020. [details]

 Taxonomic remark

 for Microsporea

Alternative name for Minisporea according to Ruggiero et al., 2015; the latter is treated as a synonym of Chytridiopsea ... [details]

 Taxonomic remark

 for Microsporidium Balbiani, 1884

According to Wijayawardene et al., 2020, Microsporidium is a collective genus which incorporates species with ... [details]

 Taxonomic remark

 for Minisporea

Class not recognised in Wijayawardene et al., 2020; 3 of the 4 included families per Ruggiero, 2014 treatment ... [details]

 Taxonomic remark

 for Minisporida

Ruggiero, 2014 lists this order as including 4 families, Burkeidae, Buxtehudeidae, Chytridiopsidae and Hesseidae. ... [details]

 Taxonomic remark

 for Rozellida

Treated as protozoan (zoological nomenclature) by Ruggiero et al., 2015 and Index Fungorum (2019 version), however ... [details]

 Taxonomic remark

 for Rozellidea

Rozellids are considered by Cavalier-Smith, 2013 and Ruggiero et al., 2015 as a class of protists within phylum ... [details]

 Taxonomic remark

 for Toxoglugea Léger & Hesse, 1924

Wijayawardene et al., 2020 place Toxoglugea in its own family, Toxoglugeidae (along with Toxospora Voronin, 1993, a ... [details]

 Taxonomic remark

 for Toxoglugeidae

Family included (as "Toxoglugeidae Larsson", assigned to Microsporidia incerate sedis) in Index Fungorum and ... [details]