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: 1.Micrococcus 2.Staphylococcus 3.StreptococcusThe Micrococcaceae 1. Micrococcus 2. Staphylococcus 3. Streptococcus 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: