†unranked clade Chaetosphaeridiobiotes
Parent taxon: Streptobionta according to P. Kenrick and P.R. Crane 1997
Sister taxa: Charobiotes, Chlorokybiotes, Coleochaetobiotes, Embryobiotes, Klebsormidiobiotes, Zygnemobiotes
Subtaxa: Chaetosphaeridiophyta