†order Calcifoliida Termier 1977 (red algae)
Parent taxon: Rhodophyceae according to W. Kiessling 2003
Sister taxa: Acrochaetium, Angulocellularia, Angusticellularia, Aoujgaliaceae, Archaeolithophyllales, Arthrodendron, Florideae, Foliophycus, Gymnocodiaceae, Lomentarites, Solenoporaceae
Subtaxa: Calcifoliaceae Fasciellidae
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Carboniferous of Algeria (2 collections), France (4), Kazakhstan (1), Morocco (3), the Russian Federation (1), Spain (4), the United Kingdom (2), Uzbekistan (1)
Total: 18 collections including 25 occurrences