romeriaceae romeriaceae the romeriaceae are a family of cyanobacteria. romeriaceae scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: synechococcales family: romeriaceaekomárek et al. 2014 genera cyanocatenula joosten 2006 romeria koczwara in geitler 1932 tubiella hollerbach 1935 wolskyella claus 1963