Class
Archaeocyatha Vologdin, 1937
archaeocyathids
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Porifera |
| Class | Archaeocyatha |
| Calcarea | |
| Demospongea | |
| Heteractinida | |
| Hexactinellida | |
| Stromatoporoidea | |
| Genus | Cliona |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Porifera |
| Class | Archaeocyatha |
| Calcarea | |
| Demospongea | |
| Heteractinida | |
| Hexactinellida | |
| Stromatoporoidea | |
| Genus | Cliona |