| iceland | | sulfolobus islandicus | species | 11 | 0 |
| russia | kamchatka krai | sulfolobus islandicus | species | 69 | 4 |
| russia | kostroma oblast | sulfolobus islandicus m.16.12 | no rank | 7 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.13 | no rank | 7 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.2 | no rank | 3 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.22 | no rank | 5 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.23 | no rank | 3 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.30 | no rank | 6 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.40 | no rank | 3 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.43 | no rank | 3 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.46 | no rank | 3 | 0 |
| russia | kostroma oblast | sulfolobus islandicus m.16.47 | no rank | 3 | 0 |
| united states | virginia | sulfolobus islandicus | species | 1 | 0 |