* Staphylococcus: These bacteria are known for forming clusters that resemble grapes. Some species are harmless, while others can cause serious infections like staph infections.
* Streptococcus: These bacteria form chains of spherical cells. Some species cause strep throat, while others are involved in dental caries.
* Neisseria: These bacteria are typically found in pairs. Some species cause gonorrhea and meningitis.
* Micrococcus: These bacteria are found in the environment and are usually harmless.
* Pneumococcus: These bacteria are commonly associated with pneumonia.
* Enterococcus: These bacteria are found in the gut and can cause urinary tract infections and other infections.
This is just a small selection of the many different types of cocci bacteria. There are numerous other species with different characteristics and roles in the environment and in human health.