Family
Cliefdenellidae Webby, 1969
Classification
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Porifera |
| Class | Demospongiae |
| Subclass | Ceractinomorpha |
| Order | Agelasida |
| Family | Cliefdenellidae |
| unranked | Cliefdenella |
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Porifera |
| Class | Demospongiae |
| Subclass | Ceractinomorpha |
| Order | Agelasida |
| Family | Cliefdenellidae |
| unranked | Cliefdenella |