Includes fungi with a single flagellum (e.g., Chytridiomycetes ).
In their influential 1996 classification system, C.J. Alexopoulos M. Blackwell classification of fungi according to alexopoulos
The 1996 classification emphasizes that organisms traditionally called "fungi" are actually , meaning they do not all share a single common ancestor. Includes fungi with a single flagellum (e
In 1962, Alexopoulos published a comprehensive classification system for fungi, which was later updated in 1979. This system, known as the "Alexopoulos system," divides fungi into four main phyla: Myxomycota, Eumycota, Oomycota, and Zygomycota. The system is based on a combination of morphological, biochemical, and molecular characteristics. known as the "Alexopoulos system
The Eumycota were subdivided into (later expanded in co-authored editions).