Rhodophyceae - Archaeolithophyllales
Parent taxon: Rhodophyceae according to W. Kiessling 2003
Sister taxa: Acrochaetium, Angulocellularia, Angusticellularia, Aoujgaliaceae, Arthrodendron, Calcifoliida, Florideae, Foliophycus, Gymnocodiaceae, Lomentarites, Solenoporaceae
Subtaxa: Palaeoaplysinidae Palaoaplysinaceae
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Permian of Canada (4: Nunavut, Yukon collections), China (5), Norway (4), the Russian Federation (7), Svalbard and Jan Mayen (3), United States (2: California, Idaho)
• Carboniferous to Permian of the Russian Federation (1)
• Carboniferous of Canada (1: Nunavut), Japan (1), Ukraine (1), United States (3: Idaho, Oklahoma, Utah)
• Devonian of the Czech Republic (4)
Total: 36 collections including 37 occurrences