Ediacaran Resins Set B (Paleozoo)5 (5)
The Ediacaran is the first geological period with widespread evidence of multicellular life. And those fossils are actually quite extraordinary, as many of them are of soft-bodied creatures that normally do not preserve easily in the fossil record. Most of the fossils are casts and molds in sandstones. One theory for this is that their preservation may have been assisted...