| australia | | ferroplasma acidiphilum | species | 1 | 0 |
| chile | | ferroplasma sp. iesl24 | species | 1 | 0 |
| china | | ferroplasma acidiphilum | species | 1 | 0 |
| china | | uncultured ferroplasma sp. | species | 1 | 0 |
| china | guangdong | ferroplasma | genus | 0 | 3 |
| china | hunan | uncultured ferroplasma sp. | species | 4 | 0 |
| china | jiangxi | ferroplasma | genus | 0 | 2 |
| china | qinghai | ferroplasma thermophilum | species | 1 | 0 |
| cyprus | | uncultured ferroplasma sp. | species | 6 | 0 |
| france | | ferroplasma acidiphilum | species | 445 | 0 |
| mexico | | uncultured ferroplasma sp. | species | 3 | 0 |
| mexico | michoacan ocampo | uncultured ferroplasma sp. | species | 1 | 0 |
| myanmar | | acidiplasma cupricumulans | species | 626 | 0 |
| russia | | ferroplasma acidiphilum | species | 1 | 0 |
| russia | | ferroplasma sp. ol10-04 | species | 1 | 0 |
| russia | krasnoyarsk krai | ferroplasma | genus | 0 | 1 |
| united kingdom | | ferroplasma acidiphilum | species | 1 | 0 |
| united states | california | ferroplasma | genus | 0 | 1 |
| united states | california | ferroplasma acidarmanus fer1 | no rank | 22 | 0 |
| united states | california | ferroplasma acidarmanus type i | no rank | 149 | 0 |
| united states | california | ferroplasma sp. type ii | species | 211 | 0 |