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) 1 Acaulospora laevis Gerd. & Trappe (1974) 2 Acaulospora longula Spain & N.C. Schenck (1984) 3 Acaulospora rugosa J.B. Morton (1986) 4 Acaulospora foveata Trappe & Janos (1982) 5 Acaulospora spinosa C. Walker & Trappe (1981) 6 Acaulospora undulata Sieverd. (1988)