†Guinotosia Beschin et al. 2007
Parent taxon: Etyidae according to C. E. Schweitzer et al. 2010
Sister taxa: Etyxanthosia, Secretanella, Sharnia, Steorrosia, Xanthosia
Subtaxa: Guinotosia tertiaria
Parent taxon: Etyidae according to C. E. Schweitzer et al. 2010
Sister taxa: Etyxanthosia, Secretanella, Sharnia, Steorrosia, Xanthosia
Subtaxa: Guinotosia tertiaria