Kingdom Fungi R.T.Moore (1980) - fungi Phylum Chytridiomycota Doweld (2001) Class Cladochytriomycetes Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic] Order Cladochytriales Mozl.-Standr. (2009) Genus Cylindrochytridium Karling (1941), incertae sedis 1 Cylindrochytridium johnstoniiᵀ Karling (1941)