Genus
Razumovskia Vologdin 1939
Classification
| Organism group | Biota |
| Domain | Bacteria |
| Kingdom | Bacillati |
| Phylum | Cyanobacteriota |
| Class | Cyanophyceae |
| Order | Oscillatoriales |
| Family | Oscillatoriaceae |
| Genus | Acuasiphonoria |
| Botuobia | |
| Girvanella | |
| Obruchevella | |
| Razumovskia | |
| Rugosoopsis | |
| Siphonophycus | |
| Subtifloria |