| australia | | candidatus gracilibacteria bacterium | species | 555 | 0 |
| canada | alberta | candidatus gracilibacteria bacterium | species | 1 | 0 |
| canada | british columbia | candidatus gracilibacteria bacterium | species | 2 | 0 |
| china | beijing | candidatus gracilibacteria bacterium | species | 2 | 0 |
| china | guangdong | candidatus gracilibacteria bacterium | species | 2 | 0 |
| germany | lower saxony | candidatus gracilibacteria bacterium | species | 16 | 0 |
| greenland | | candidatus gracilibacteria bacterium | species | 2 | 0 |
| united states | california | candidatus gracilibacteria bacterium | species | 135 | 0 |
| united states | massachusetts | candidatus gracilibacteria bacterium | species | 3 | 0 |
| united states | utah | candidatus gracilibacteria bacterium | species | 2 | 0 |
| united states | washington | candidatus gracilibacteria bacterium | species | 2 | 0 |