| 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 | massachusetts | gracilibacteria bacterium oral taxon 871 | species | 1 | 0 |
| united states | massachusetts | gracilibacteria bacterium oral taxon 872 | species | 1 | 0 |
| united states | massachusetts | gracilibacteria bacterium oral taxon 873 | species | 1 | 0 |
| united states | utah | candidatus gracilibacteria bacterium | species | 2 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg_4_10_14_0_8_um_filter_38_28 | species | 90 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg_4_9_14_0_2_um_filter_38_7 | species | 79 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg1_02_38_174 | species | 73 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg12_big_fil_rev_8_21_14_0_65_38_15 | species | 75 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg17_big_fil_post_rev_8_21_14_2_50_48_13 | species | 12 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg18_big_fil_wc_8_21_14_2_50_38_16 | species | 61 | 0 |
| united states | utah | candidatus gracilibacteria bacterium cg2_30_37_12 | species | 135 | 0 |
| united states | washington | candidatus gracilibacteria bacterium | species | 2 | 0 |