The Mesoproterozoic Era is a geologic era that occurred from {Ma|Mesoproterozoic|Neoproterozoic}. The Mesoproterozoic was the first period of Earth`s history of which a respectable geological record survives. Continents existed in the Paleoproterozoic, but we know little about them. The continental masses of the Mesoproterozoic are more or less t....
Found on
http://en.wikipedia.org/wiki/Mesoproterozoic
an era (1600 to 1000 mya) with three periods: Calymmian, Ectasian, and Stenian.
Found on
http://www.scientificpsychic.com/etc/geology-glossary.html
No exact match found.
