| Domain Bacteria Class Cyanophyceae Family Rivulariaceae | Phylum Cyanobacteria Rank Genus | |
| Similar Solenopora, Rivulariaceae, Rivularia, Dasycladales, Calothrix | ||
The extinct genus Hedstroemia is thought to be a rivulariacean cyanobacterium. It forms oval blobs composed of sinuous tubes that have rounded outlines and occurs in conjunction with Solenopora.
References
Hedstroemia Wikipedia(Text) CC BY-SA
