OrderSynechococcales
| Taxon: | Rank: |
| Aegeococcus | genus |
| Coelosphaeriaceae | family |
| Heteroleibleiniaceae | family |
| Merismopediaceae | family |
| Prochlorococcaceae | family |
| Synechococcaceae | family |
| Thalassoporaceae | family |
| Taxon: | Rank: |
| Aegeococcus | genus |
| Coelosphaeriaceae | family |
| Heteroleibleiniaceae | family |
| Merismopediaceae | family |
| Prochlorococcaceae | family |
| Synechococcaceae | family |
| Thalassoporaceae | family |