Table 1.

Current and evolving taxonomic classification of arbuscular mycorrhizal fungi.

Class	Order	Family	Genera	Reference
Archaeosporomycetes	Archaeosporales	Ambisporaceae Archaeosporaceae Geosiphonaceae Polonosporaceae	Ambispora Archaeospora Geosiphon Polonospora	Confirmed taxa (2013) [39] Formerly in Intraspora (2013) [39] Confirmed taxa (2013) [39] Recent taxa (2021) [41]
Glomeromycetes	Diversisporales	Acaulosporaceae	Acaulospora	Merged with Kuklospora (2013) [39]
		Diversisporaceae	Corymbiglomus Desertispora Diversispora Otospora Redeckera Sieverdingia Tricispora	Reclassified taxa (2012) [42] Recent taxa (2018) [43] Confirmed taxa (2013) [39] Uncertain taxa (2013) [39] Confirmed taxa (2013) [39] Reclassified taxa (2019) [44] Uncertain taxa (2013) [39]
		Gigasporaceae	Bulbospora Cetraspora Dentiscutata Fuscutata Gigaspora Intraornatospora Paradentiscutata Racocetra Scutellospora	Recent taxa (2014) [45] Uncertain taxonomy (2013) [39], formerly in Racocetraceae (2011) [40] Formerly in Quatunica (2013) [39] Formerly in Dentiscutata (2013) [39] Confirmed taxa (2013) [39] Uncertain taxonomy (2013) [39], formerly in Intraometosporaceae (2011) [40] Uncertain taxonomy (2013) [39], formerly in Intraometosporaceae (2011) [40] Confirmed taxa (2013) [39] Formerly in Orbispora (2013) [39]
		Pacisporaceae	Pacispora	Confirmed taxa (2013) [39]
		Sacculosporaceae	Sacculospora	Uncertain taxonomy (2013) [39]
	Entrophosporales 1	Entrophosporaceae 2	Entrophospora 3	1 Recent taxa [38], 2 uncertain taxonomy (2013) [39], 3 formerly in Claroideoglomus
	Glomerales	Glomeraceae	Complexispora Dominikia Epigeocarpum Funneliformis Funneliglomus Glomus Halonatospora Kamienskia Microdominikia Microkamienskia Nanoglomus Oehlia Orientoglomus Rhizoglomus Rhizophagus Sclerocarpum Sclerocystis Septoglomus Silvaspora	Recent taxa (2023) [46] Recent taxa (2015) [47] Recent taxa (2021) [41] Confirmed taxa in 2013 [39] Recent taxa (2019) [48] Formerly in Simiglomus (2013) [39] Recent taxa (2018) [49] Recent taxa (2015) [47] Recent taxa (2018) [50] Recent taxa (2019) [51] Recent taxa (2019) [52] Recent taxa (2019) [51] Recent taxa (2019) [52] Recent taxa (2014) [53] Reclassified taxa (2012) [42] Recent taxa (2019) [54] Reclassified taxa (2012) [42] Formerly in Viscospora (2013) [39] Recent taxa (2021) [41]
Paraglomeromycetes	Paraglomerales	Paraglomerales	Innospora	Recent taxa (2017) [55]
			Paraglomus	Confirmed taxa (2013) [39]
		Pervetustaceae	Pervetustus	Recent taxa (2017) [55]