Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Glomeromycota C. Walker & A. Schüssler (2001) - arbuscular mycorrhizal fungi
     Class Glomeromycetes Caval.-Sm. (1998)
       Order Diversisporales C. Walker & A. Schüßler (2004)
         Family Gigasporaceae J.B. Morton & Benny (1990)
           Genus Bulbospora Oehl & G.A. Silva (2014) [monotypic]
             Bulbospora minimaᵀ Oehl, Marinho, B.T. Goto & G.A. Silva