Genus
Razumovskia Vologdin 1939
Classification
| Organism group | Biota |
| Domain | Eubacteria |
| Phylum | Cyanobacteria |
| Class | Porostromata |
| Family | Cyanophyceae |
| Genus | Acuasiphonoria |
| Apophoretella | |
| Bavlinella | |
| Bevocastria | |
| Bija | |
| Botomaella | |
| Cayeuxia | |
| Gloeocapsomorpha | |
| Hedstroemia | |
| Ortonella | |
| Ostiana | |
| Razumovskia | |
| Sphaerocodium | |
| Spongiostroma | |
| Subtifloria | |
| Zonotrichites |