| antarctica | | uncultured cylindrotheca | species | 2 | 0 |
| australia | victoria | cylindrotheca closterium | species | 0 | 1 |
| belgium | | cylindrotheca closterium lineage v | species | 2 | 0 |
| belgium | | cylindrotheca sp. lineage ii | species | 3 | 0 |
| brazil | pernambuco | cylindrotheca closterium | species | 0 | 1 |
| canada | | uncultured cylindrotheca | species | 4 | 0 |
| canada | new brunswick | cylindrotheca sp. 1bof | species | 12 | 0 |
| canada | new brunswick | cylindrotheca sp. 2bof | species | 2 | 0 |
| canada | new brunswick | cylindrotheca sp. 3bof | species | 2 | 0 |
| canada | nova scotia | cylindrotheca closterium | species | 1 | 0 |
| china | | cylindrotheca closterium | species | 3 | 0 |
| france | | uncultured cylindrotheca | species | 8 | 0 |
| hong kong | | cylindrotheca sp. | species | 2 | 0 |
| india | | cylindrotheca closterium | species | 4 | 0 |
| india | | cylindrotheca sp. | species | 1 | 0 |
| iran | | cylindrotheca closterium | species | 1 | 0 |
| japan | hiroshima prefecture | cylindrotheca closterium | species | 1 | 0 |
| kuwait | | cylindrotheca closterium | species | 1 | 0 |
| malaysia | | cylindrotheca closterium | species | 1 | 0 |
| netherlands | | cylindrotheca closterium lineage v | species | 13 | 0 |
| netherlands | | cylindrotheca sp. lineage i | species | 2 | 0 |
| netherlands | | cylindrotheca sp. lineage iii | species | 1 | 0 |
| netherlands | | cylindrotheca sp. lineage iv | species | 5 | 0 |
| oman | | cylindrotheca closterium | species | 1 | 0 |
| portugal | | cylindrotheca sp. lineage iv | species | 1 | 0 |
| russia | volgograd oblast | uncultured cylindrotheca | species | 2 | 0 |
| south korea | | cylindrotheca closterium | species | 1 | 0 |
| turkey | | cylindrotheca closterium | species | 2 | 0 |
| united kingdom | | cylindrotheca closterium | species | 2 | 0 |
| united kingdom | | cylindrotheca closterium lineage v | species | 1 | 0 |
| united states | massachusetts | cylindrotheca fusiformis | species | 1 | 0 |
| united states | new jersey | cylindrotheca fusiformis | species | 1 | 0 |
| united states | utah | cylindrotheca closterium | species | 1 | 0 |
| united states | washington | cylindrotheca closterium | species | 0 | 1 |