English Rothpletzella Cited by user Smith609 on 19 Nov 2010 Rothpletzella is a genus of calcimicrobe known from the Silurian of Gotland.
English Hedstroemia Cited by user 192.75.204.31 on 19 Nov 2010 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…