Position in a system
| system | Vitae - living organisms |
| domain | Bacteria (Haeckel, 1894) Woese, Kandler Wheelis, 1990 - bacterians |
| phylum | Cyanobacteria Stanier ex Cavalier-Smith, 2002 - blue-green algae |
| class | Cyanophyceae Schaffner, 1909 |
| subclass | Oscillatoriophycidae |
| order | Chroococcales R. von Wettstein & von Westerheim, 2002 |
| family | Hyellaceae Borzí, 1914 |
| subfamily | Hyelloideae |
| genus | Hyella Bornet & Flahault, 1888 |