| antarctica | | cyclidium glaucoma | species | 2 | 0 |
| argentina | buenos aires city | cyclidium glaucoma | species | 2 | 0 |
| argentina | buenos aires province | cyclidium glaucoma | species | 2 | 0 |
| australia | queensland | cyclidium glaucoma | species | 4 | 0 |
| australia | tasmania | cyclidium glaucoma | species | 9 | 0 |
| australia | victoria | cyclidium glaucoma | species | 2 | 0 |
| china | | cristigera media | species | 3 | 0 |
| china | | cristigera pleuronemoides | species | 2 | 0 |
| china | | cyclidium glaucoma | species | 2 | 0 |
| china | | cyclidium marinum | species | 1 | 0 |
| china | | cyclidium plouneouri | species | 3 | 0 |
| china | | cyclidium varibonneti | species | 3 | 0 |
| china | | falcicyclidium atractodes | species | 1 | 0 |
| china | | falcicyclidium fangi | species | 2 | 0 |
| china | | protocyclidium citrullus | species | 4 | 0 |
| china | guangdong | falcicyclidium fangi | species | 1 | 0 |
| china | guangdong | protocyclidium sinica | species | 2 | 0 |
| china | heilongjiang | cyclidium sp. fg-2016a | species | 1 | 0 |
| denmark | | cyclidium glaucoma | species | 2 | 0 |
| ghana | | cyclidium glaucoma | species | 2 | 0 |
| hong kong | | protocyclidium citrullus | species | 3 | 0 |
| ireland | | cyclidium glaucoma | species | 2 | 0 |
| japan | hokkaido prefecture | cyclidium glaucoma | species | 4 | 0 |
| mexico | puebla | cyclidium glaucoma | species | 0 | 1 |
| mongolia | | cyclidium glaucoma | species | 4 | 0 |
| russia | saint petersburg | cyclidium glaucoma | species | 5 | 0 |
| russia | saratov oblast | cyclidium glaucoma | species | 535 | 0 |
| south africa | | cyclidium glaucoma | species | 1 | 0 |
| spain | andalusia | cyclidium glaucoma | species | 2 | 0 |
| spain | castilla-la mancha | cyclidium glaucoma | species | 6 | 0 |
| spain | madrid | cyclidium glaucoma | species | 750 | 0 |
| spain | valencia | cyclidium glaucoma | species | 2 | 0 |
| switzerland | | cyclidium glaucoma | species | 1 | 0 |
| thailand | | cyclidium citrullus | species | 2 | 0 |
| thailand | | cyclidium glaucoma | species | 4 | 0 |
| ukraine | kiev city | cyclidium glaucoma | species | 24 | 0 |
| united kingdom | england | cyclidium glaucoma | species | 141 | 0 |
| united kingdom | england | cyclidium porcatum | species | 2 | 0 |
| united kingdom | scotland | cyclidium glaucoma | species | 4 | 0 |
| united states | colorado | uncultured cyclidium | species | 1 | 0 |
| united states | hawaii | cyclidium glaucoma | species | 2 | 0 |
| united states | indiana | cyclidium glaucoma | species | 2 | 0 |
| united states | utah | cyclidium glaucoma | species | 2 | 0 |