cyanonephron cyanonephron cyanonephron is a genus of cyanobacteria in the family synechococcaceae. cyanonephron scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: synechococcales family: synechococcaceae genus: cyanonephronb.hickel 1985 species cyanonephron elegans joosten, 2006 cyanonephron styloides b.hickel, 1985