†order Chuariales Istchenko (green algae)
Parent taxon: Chuariophyceae according to M. D. Guiry and G. M. Guiry 2025
Sister taxa: none
Subtaxa: Chuariaceae Ellipsophysaceae
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Cambrian of Iran (1 collection)
• Ediacaran of Burkina Faso (1), Canada (3: Nunavut), China (6), Iran (3), Namibia (1), the Russian Federation (6), Spain (1)
• Cryogenian of the Russian Federation (2)
• Neoproterozoic of China (3)
• Tonian of Canada (7: Northwest Territories), the Russian Federation (1), Svalbard and Jan Mayen (1), United States (2: Arizona, Utah)
• Statherian of China (6)
Total: 44 collections including 64 occurrences