Phylum Phaeophyta
Parent taxon: Protoctista according to L. Margulis 1996
Sister taxa: Apicomplexa, Archaeoprotista, Chrysomonads, Chytridiomycota, Cryptomonads, Dinomastigota, Discomitochondrios, Eustigmatophyta, Gamophyta, Haptomonads, Hyphochytriomycota, Labyrinthulids, Myxomycota, Oomycota, Paramyxea, Plasmodiophorids, Rhizopoda, Xanthophyta, Xenophyophora, Zoomastigina
Subtaxa: Algites Ectocarpus Permopadina
Distribution:
• Miocene of India (1 collection)
• Cretaceous of Belgium (1), United States (1: South Carolina)
• Jurassic of the Russian Federation (3)
• Permian of the Russian Federation (4), the United Kingdom (1)
• Silurian of China (1)
Total: 12 collections each including a single occurrence