The micrococcaceae The family Micrococcaceae contains gram-positive cocci,0.5-2.5 um in diameter, that divide in more than one plane to form regular or irregular clusters of cells All are aerobic or facultatively anaerobic. The peptidoglycan di-amino acid is L-lysine The three most important genera are: Micrococcus Staphylococcus StreptococcusThe Micrococcaceae The family Micrococcaceae contains gram-positive cocci, 0.5-2.5 μm in diameter, that divide in more than one plane to form regular or irregular clusters of cells. All are aerobic or facultatively anaerobic. The peptidoglycan di-amino acid is L-lysine. The three most important genera are: Micrococcus Staphylococcus Streptococcus