PaleoDB taxon number: 68422
Parent taxon: Protoctista according to L. Margulis 1996
Sister taxa: Apicomplexa, Archaeoprotista, Chrysomonads, Chytridiomycota, Cryptomonads, Dinomastigota, Discomitochondrios, Eustigmatophyta, Gamophyta, Granuloreticulosa, Haptomonads, Hyphochytriomycota, Labyrinthulids, Myxomycota, Oomycota, Paramyxea, Phaeophyta, Plasmodiophorids, Rhizopoda, Xanthophyta, Xenophyophora, Zoomastigina
Subtaxa: Actinocyclus, Actinoptychus, Anaulus, Annellus, Asteromphalus, Bacillariophytina, Biddulphia, Bruniopsis, Chaetoceros, Cladogramma, Clavicula, Coscinodiscus, Cosmiodiscus, Craspedodiscus, Cussia, Cyclotella, Cymatogonia, Cymatosira, Delphineis, Dicladia, Diploneis, Dossetia, Endictya, Goniothecium, Hemiaulus, Hyalodiscus, Liradiscus, Lithodesmium, Macrora, Mediaria, Melosira, Navicula, Nitzschia, Paralia, Periptera, Pleurosigma, Pseudodimerogramma, Pseudopyxilla, Pyxilla, Raphidodiscus, Rhaphoneis, Rhizosolenia, Rouxia, Sceptroneis, Stephanogonia, Stephanopyxis, Stictodiscus, Synedra, Thalassionema, Thalassiosira, Thalassiothrix, Triceratiaceae, Triceratium, Trinacria, Trochosira, Xanthiopyxis