Kingdom Fungi R.T.Moore (1980) - fungi
Phylum Kickxellomycota Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018)
Class Kickxellomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
Order Kickxellales Kreisel ex R.K. Benj. (1979) [monotypic]
Family Kickxellaceae Linder (1943)
Genus Spiromyces R.K. Benj. (1963)
Spiromyces minutusᵀ R.K. Benj. (1963)