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 (2001), nom. inval. see Order Diversisporales C. Walker & A. Schüßler (2004) Family Acaulosporaceae J.B. Morton & Benny (1990) Genus Acaulospora Gerd. & Trappe (1974) Acaulospora rugosa J.B. Morton (1986)