Parent taxon: Cyanophyta according to A. M. Blazer 1975
Sister taxa: Abruptophycus, Acaciella, Agamus, Aldania, Alternella, Alternia, Angarophycus, Antiquophytolithus, Archaeothrix, Arenarina, Artophycus, Aulophycus, Basisphaera, Bevocastria, Borlogella, Brachypleganon, Bursiphycas, Calevia, Calothricites, Calyptophycus, Camasia, Catinella, Chabakoviacea, Chomentovskia, Chomustachia, Cirriphycus, Cladogirvanella, Coccogoneae, Columnaria, Crustophycus, Cyanostroma, Cycularia, Cystostroma, Eoaphanothece, Eoepiphyton, Eophormidium, Eucaspsiphora, Fibrostroma, Filiphycus, Fillostroma, Flexia, Galinia, Georgiana, Glomeophycus, Gouldina, Grenularia, Gruneria, Hecetaphyton, Hormogoneae, Hormosporites, Katernia, Kostinophycus, Lamellophycus, Lamellostroma, Leptophycus, Lermontovaephycus, Lopatinella, Madiganites, Maldeotaina, Manacyathus, Mansurkella, Marpolia, Microcystopsis, Morania, Mussooriella, Myxococcoides, Nerusiandella, Oncobyrsella, Palaeomicrocystis, Paleocalothrix, Paleoisocystis, Papulophycus, Perennaria, Phanerosphaerops, Pilbaria, Platella, Plexostroma, Polybessurus, Protoepiphyton, Ramulostroma, Ramulus, Rhyniella, Scandophycus, Schizothropsis, Shanganella, Sphaerina, Sphaerothallus, Stigonematales, Subtifloria, Talakania, Tarioufetia, Telastroma, Trichostroma, Tubercularia, Tumidophyton, Tunikata, Tuxekanella, Uluksanella, Vesicularia, Vittophyton, Porostromata, Callosicoccus, Setula, Lithocodium, Desmekalamos, Cladophorites, Somphospongia, Rothpletzella, Oscillatoriacea, Sphaerocodium, Cyanophyceae, Millaria, Antiquus, Sigmopollis
Subtaxa: Corydopodium Kidstoniella Langiella Nostoc Prochamaesiphon
Ecology: stationary "photoautotroph"
Distribution:
• Miocene of India (1 collection)
• Devonian of the United Kingdom (1)
Total: 2 collections including 3 occurrences