†order Calcifoliida Termier 1977
PaleoDB taxon number: 112846
Parent taxon: Rhodophyceae according to W. Kiessling 2003
Sister taxa: Angulocellularia, Angusticellularia, Aoujgaliaceae, Archaeolithophyllales, Arthrodendron, Banigales, Corallinales, Cryptonemiales, Florideae, Foliophycus, Gigartinales, Gymnocodiaceae, Lomentarites, Nemaliales, Solenoporaceae
Subtaxa: Calcifoliaceae, Fasciellidae
Ecology: stationary epifaunal "photoautotroph"