| candidatus mycoplasma haemobos | species | bacteria | bacteria | species | 432608 |
| mycoplasma agalactiae | species | bacteria | bacteria | species | 2110 |
| mycoplasma agalactiae pg2 | no rank | bacteria | bacteria | no rank | 347257 |
| mycoplasma alkalescens | species | bacteria | bacteria | species | 45363 |
| mycoplasma alkalescens 14918 | no rank | | | no rank | 1188234 |
| mycoplasma alvi | species | bacteria | bacteria | species | 78580 |
| mycoplasma arginini | species | bacteria | bacteria | species | 2094 |
| mycoplasma bovigenitalium | species | bacteria | bacteria | species | 2112 |
| mycoplasma bovirhinis | species | bacteria | bacteria | species | 29553 |
| mycoplasma bovis | species | bacteria | bacteria | species | 28903 |