chamaesiphon chamaesiphon chamaesiphon is a genus of cyanobacteria belonging to the family chamaesiphonaceae. chamaesiphon chamaesiphonb — internal spores (baeocytes)scale bar ~10 µm scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: synechococcales family: chamaesiphonaceae genus: chamaesiphona.braun, 1864 the genus has cosmopolitan distribution. species: chamaesiphon amethystinus (rostaf.) lemmerm. chamaesiphon britannicus (f.e.fritsch) komárek & anagn. chamaesiphon confervicola a.braun