{{Taksokvir
|boja=rgb(200,250,80)
| naziv = Opisthosoridia
| slika = Fibrillanosema spore.jpg
| slika_širina = 200px
| slika_opis = Spora jedne  [[Microsporidia]].
| domain = [[Eukaryota]]
| regnum = [[Fungi]]
| superdivisio = '''Opisthosporidia''' (P) 
| superdivisio_authority = Karpov et al. 2014
| razdioba_stupanj= Grupe
| razdioba = 
[[Aphelidea]]<br />
[[Rozellidea]]<br />
[[Microsporidia]]<br />
* [[BCG1]]
* [[BCG2]]
* [[Namako-37]]
* [[Fungi|Prave gljive]]
}}
'''Opisthosporidia''',  priznstr prave ljive  ili '''[[Fungi ]]'''  su sestrinski  [[kladus]]  [[Cristidiscoidea]], sa kojim zajedno formira [[Holomycota]]. Bazna grupa je tzv.  'grupa bazni  klon 2' (BCG2).<ref>{{Cite journal|last=Tedersoo|first=Leho|last2=Sánchez-Ramírez|first2=Santiago|last3=Kõljalg|first3=Urmas|last4=Bahram|first4=Mohammad|last5=Döring|first5=Markus|last6=Schigel|first6=Dmitry|last7=May|first7=Tom|last8=Ryberg|first8=Martin|last9=Abarenkov|first9=Kessy|date=2018|title=High-level classification of the Fungi and a tool for evolutionary ecological analyses|journal=Fungal Diversity|language=en|volume=90|issue=1|pages=135–159|doi=10.1007/s13225-018-0401-0|issn=1560-2745}}</ref><ref>{{Cite journal|last=Torruella|first=Guifre|last2=Grau-Bove|first2=Xavier|last3=Moreira|first3=David|last4=Karpov|first4=Sergey A.|last5=Burns|first5=John|last6=Sebe-Pedros|first6=Arnau|last7=Volcker|first7=Eckhard|last8=Lopez-Garcia|first8=Purificacion|date=25. 5. 2018|title=The transcriptome of Paraphelidium tribonemae illuminates the ancestry of Fungi and Opisthosporidia|url=https://www.biorxiv.org/content/early/2018/05/25/233882|journal=bioRxiv|language=en|pages=233882|doi=10.1101/233882}}</ref> Drugi bazmi kladus Opisthosporidana je [[Aphelida]] zajedno s pravim gljivama, spojenim s 'baznom klonskom grupom 1' (BCG1) zajedno s Rozellomyceta.<ref name="karpov">{{Cite journal|last=Karpov|first=Sergey|last2=Mamkaeva|first2=Maria A.|last3=Aleoshin|first3=Vladimir|last4=Nassonova|first4=Elena|last5=Lilje|first5=Osu|last6=Gleason|first6=Frank H.|date=1. 1. 2014|title=Morphology, phylogeny, and ecology of the aphelids (Aphelidea, Opisthokonta) and proposal for the new superphylum Opisthosporidia|journal= Frontiers in Microbiology|volume=5|pages=112|doi=10.3389/fmicb.2014.00112|pmc=3975115|pmid=24734027}}</ref><ref>{{citation|title=Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes|date=2016|url=https://hal.archives-ouvertes.fr/hal-01263138|author=Silar, Philippe|journal=HAL Archives-ouvertes|volume=|issue=|pages=1–462|doi=}}</ref><ref>{{Cite journal|last=Bass|first=David|last2=Czech|first2=Lucas|last3=Williams|first3=Bryony A. P.|last4=Berney|first4=Cédric|last5=Dunthorn|first5=Micah|last6=Mahé|first6=Frederic|last7=Torruella|first7=Guifré|last8=Stentiford|first8=Grant D.|last9=Williams|first9=Tom A.|date=28. 4. 2018|title=Clarifying the Relationships between Microsporidia and Cryptomycota|journal=Journal of Eukaryotic Microbiology|volume=65|issue=6|pages=773–782|language=en|doi=10.1111/jeu.12519|pmid=29603494|pmc=6282948|issn=1066-5234}}</ref><ref>{{Cite journal|last=Berbee|first=Mary L.|last2=James|first2=Timothy Y.|last3=Strullu-Derrien|first3=Christine|date=8. 9. 2017|title=Early Diverging Fungi: Diversity and Impact at the Dawn of Terrestrial Life|journal=Annual Review of Microbiology|language=en|volume=71|issue=1|pages=41–60|doi=10.1146/annurev-micro-030117-020324|pmid=28525299|issn=0066-4227}}</ref>