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 Acaulosporaceae J.B. Morton & Benny (1990) [monotypic] Genus Acaulospora Gerd. & Trappe (1974) 1 Acaulospora laevisᵀ Gerd. & Trappe (1974)