Hedstroemia
Encyclopedia
The extinct genus Hedstroemia is thought to be a rivulariacean cyanobacterium. It occurs in conjunction with Solenopora
. It forms oval blobs composed of sinuous tubes that have rounded outlines.
Solenopora
The extinct Solenoporaceae have traditionally been interpreted as a group of red algae ancestral to the Corallinales.The genus from which they take their name, Solenopora, originates in the Ordovician...
. It forms oval blobs composed of sinuous tubes that have rounded outlines.