Genus
Cayeuxia Frollo, 1938
Classification
| Organism group | Biota |
| Domain | Bacteria |
| Kingdom | Bacillati |
| Phylum | Cyanobacteriota |
| Class | Cyanophyceae |
| Order | Nostocales |
| Family | Rivulariaceae |
| Genus | Apophoretella |
| Bija | |
| Botomaella | |
| Cayeuxia | |
| Hedstroemia (Cyanobacteria) | |
| Ortonella | |
| Zonotrichites |