Actinocephalidae Léger, 1892 (taxonomy source)
Actinocephalidae Léger, 1892 (current name source)
Adeleida (basis of record)
Adeleida (taxonomy source)
Adeleida (extant flag source)
Adeleidae Mesnil, 1903 (taxonomy source)
Adeleidae Mesnil, 1903 (current name source)
Agamococcidiorida accepted as Histogregarida (additional source)
Agamococcidiorida accepted as Histogregarida (taxonomy source)
Agamococcidiorida accepted as Histogregarida (extant flag source)
Agamococcidiorida accepted as Histogregarida (source of synonymy)
Amoebogregarina Kula & Clopton, 1999 (current name source)
Amoebogregarina Kula & Clopton, 1999 (verified source for family)
Apicystis Lipa & Triggiani, 1996 (verified source for family)
Apicystis Lipa & Triggiani, 1996 (current name source)
Apicystis Lipa & Triggiani, 1996 (habitat flag source)
Apicystis Lipa & Triggiani, 1996 (extant flag source)
Archigregarinida (additional source)
Archigregarinida (habitat flag source)
Archigregarinida (taxonomy source)
Archigregarinida (extant flag source)
Arthrogregarida (taxonomy source)
Arthrogregarida (extant flag source)
Arthrogregarida (original description)
Arthrogregarida (habitat flag source)
Ascogregarina Ward, Levine & Craig, 1982 (verified source for family)
Blabericolidae Clopton, 2009 (taxonomy source)
Blabericolidae Clopton, 2009 (habitat flag source)
Blabericolidae Clopton, 2009 (extant flag source)
Blastogregarinida (extant flag source)
Blastogregarinida (basis of record)
Caliculium Wakeman, Reimer, Jenke-Kodama & Leander, 2014 (verified source for family)
Cardiosporidium Gaver & Stephan, 1907 (verified source for family)
Cephaloidophoridae Kamm, 1922 (taxonomy source)
Cephaloidophoridae Kamm, 1922 (current name source)
Coccidia (taxonomy source)
Coccidia (extant flag source)
Coccidia (basis of record)
Coccidiomorphea (extant flag source)
Coccidiomorphea (basis of record)
Coelotrophia (original description)
Coelotrophia (current name source)
Coelotrophia (taxonomy source)
Coelotrophia (extant flag source)
Coelotrophiida (basis of record)
Coelotrophiida (taxonomy source)
Coelotrophiida (extant flag source)
Cryptogregaria (taxonomy source)
Cryptogregaria (original description)
Cryptogregaria (extant flag source)
Cryptogregarida (taxonomy source)
Cryptogregarida (original description)
Cryptogregarida (extant flag source)
Dactylophoridae Léger, 1892 (current name source)
Dactylophoridae Léger, 1892 (habitat flag source)
Dactylophoridae Léger, 1892 (additional source)
Dactylophoridae Léger, 1892 (taxonomy source)
Eimeriida (taxonomy source)
Eimeriida (basis of record)
Eimeriida (extant flag source)
Eimeriidae Minchin, 1903 (current name source)
Eimeriidae Minchin, 1903 (taxonomy source)
Elleipsisomatidae (taxonomy source)
Elleipsisomatidae (current name source)
Filipodiidae Cavalier-Smith, 2014 (current name source)
Filipodiidae Cavalier-Smith, 2014 (original description)
Filipodiidae Cavalier-Smith, 2014 (taxonomy source)
Filipodiidae Cavalier-Smith, 2014 (extant flag source)
Filipodiidae Cavalier-Smith, 2014 (habitat flag source)
Filipodium Hukui, 1939 (verified source for family)
Ganymedidae Huxley, 1910 (taxonomy source)
Ganymedidae Huxley, 1910 (current name source)
Gemmocystidae Upton & Peters, 1986 (current name source)
Gregarinidae Labbé, 1899 (taxonomy source)
Gregarinidae Labbé, 1899 (current name source)
Gregarinomorphea (extant flag source)
Gregarinomorphea (basis of record)
Haemosporida (taxonomy source)
Haemosporida (extant flag source)
Haemosporida (basis of record)
Hematozoa (extant flag source)
Hematozoa (basis of record)
Hematozoa (taxonomy source)
Histogregaria (extant flag source)
Histogregaria (original description)
Histogregaria (taxonomy source)
Histogregarida (taxonomy source)
Histogregarida (extant flag source)
Histogregarida (original description)
Ixorheida (basis of record)
Ixorheida (taxonomy source)
Ixorheida (extant flag source)
Lecudinidae Kamm, 1922 (current name source)
Lecudinidae Kamm, 1922 (verified source for family)
Leidyana Watson, 1915 (verified source for family)
Leidyanidae accepted as Gregarinidae Labbé, 1899 (source of synonymy)
Merogregarina Porter, 1908 (verified source for family)
Merogregarinidae Porter, 1908 (extant flag source)
Merogregarinidae Porter, 1908 (habitat flag source)
Merogregarinidae Porter, 1908 (basis of record)

 Taxonomic remark

 for Eucoccidiida

Status and taxonomic placement is provisional: order and its included families not recognised in Cavalier-Smith, ... [details]

 Taxonomic remark

 for Eugregarinida

Order abandoned as polyphyletic by Cavalier-Smith, 2014, however retained in IRMNG until constituent families are ... [details]

 Taxonomic remark

 for Histogregarida

Nomen novum for Agamococcidiophora Levine, 1979 / Agamococcidiida Levine, 1980. [details]

 Taxonomic remark

 for Ixorheida

Spelling corrected from original (Ixorheorida), refer Cavalier-Smith, 2014. [details]

 Taxonomic remark

 for Neogregarinida

Order abandoned as polyphyletic by Cavalier-Smith, 2014, however retained in IRMNG until constituent families are ... [details]

 Taxonomic remark

 for Selenocystis Dibb, 1938

Listed as a valid genus in Cavalier-Smith, 2014 [details]

 Taxonomic remark

 for Sporozoa

This name variously used at phylum rank (=Apicomplexa) and lower (infraphylum, superclass, class); currently listed ... [details]

 Taxonomic remark

 for Squirmidea

Stat. nov. Cavalier-Smith, 2014. [details]

 Taxonomic remark

 for Syncystis Schneider, 1886

Listed as synonym of Urospora Schneider, 1875 in WoRMS (2013), but treated as valid in own family by ... [details]