coelosphaeriaceae coelosphaeriaceae the coelosphaeriaceae are a family of cyanobacteria. coelosphaeriaceae scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: synechococcales family: coelosphaeriaceaeelenkin genera coelomoron buell 1938 coelosphaeriopsis lemmermann 1900 coelosphaerium nägeli 1849 siphonosphaera hindák 1988 snowella elenkin 1938 woronichinia elenkin 1933