Genus
Estoniocaulis Obut et Rytzk, 1958
Classification
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Order | Melanoskleritoitidea |
| Family | Melanoporellidae |
| Melanoskleritoitidae | |
| Mirachitinidae | |
| Genus | Estoniocaulis |
| Species | jarvensis |
| Genus | Melanoskleritoites |