- Mastigomycota, subdivision Mastigomycota, Mastigomycotina, subdivision Mastigomycotina - fungi in which the spores and gametes are motile; in some systems placed in the Phycomycetes group with the Zygomycota
--1 is a kind of division
--1 is a member of Eumycota, division Eumycota
--1 has members:Oomycetes, class Oomycetes; Chytridiomycetes, class Chytridiomycetes