A halin yanzu rarrabuwa tsarin da nufin tsara archaea cikin kungiyoyin halittu da cewa raba tsarin fasali da kuma kowa kakanninsu. Wadannan rarrabuwa dõgara nauyi a kan yin amfani da jerin ribosomal RNA kwayoyin halittar bayyana dangantaka tsakanin kwayoyin (molecular phylogenetics). Mafi yawa daga cikin culturable da kuma da-bincika jinsunan archaea mambobi ne na biyu main phyla, da Euryarchaeota da Crenarchaeota. Sauran kungiyoyin da aka samarwa samarwa. Alal misali, da m jinsin Nanoarchaeum equitans, wanda aka gano a 2003, an ba da kansa phylum, da Nanoarchaeota. Wani sabon phylum Korarchaeota ya kuma an samarwa.
Euryarchaeota da Crenarchaeota