Katabia is a genus of soil-dwelling heterotrophic flagellate cercozoans containing the single species Katabia gromovi, and the only member of family Katabiidae...

Howe et al. 2011. Tremula. Genera of uncertain placement: Dictiomyxa, Katabia, Myxodictyium, Pontomyxa, Protomyxa, Protogenes, Pseudospora, Rhizoplasma...

Sarcomonadea, Imbricatea and Thecofilosea. That same year, the protist Katabia was added to Sarcomonadea but remained incertae sedis within the group...