†suborder Discoideae
Parent taxon: Bacillariophyta according to R. Patrick 1940
Sister taxa: Archaeomonas, Bacillariophyceae, Dictyochophyceae, Phaeophyceae, Xanthophyceae, Cosmiodiscus, Pleurosigma, Dossetia, Bruniopsis, Stephanogonia, Clavicula, Biddulphiaceae, Bacillariophytina, Triceratiaceae, Macrora, Cymatogonia, Mediaria, Periptera
Subtaxa: none
Distribution: there are no occurrences of Discoideae in the database