Ediacaran - Wikipedia
https://en.wikipedia.org/wiki/Ediacaran
OverviewEdiacaran and VendianUpper and lower boundariesSubdivisionsAbsolute datingBiotaAstronomical factorsDocumentariesThe Ediacaran Period overlaps but is shorter than the Vendian Period (650 to 543 million years ago), a name that was earlier, in 1952, proposed by Russian geologist and paleontologist Boris Sokolov. The Vendian concept was formed stratigraphically top-down, and the lower boundary of the Cambrian became the upper boundary of the Vendian. Paleontological substantiation of this boundary was worked out separately for the siliciclastic basi… Name ratified: 1990
Name ratified: 1990
DA: 36 PA: 60 MOZ Rank: 1