Prehistoric Scratchpad
The unnamed second epoch of the Cambrian, currently known as Cambrian Series 2, an used to be called Early Cambrian, Lower Cambrian, and had a proposed name of Branchian. It starts at the appearance of the first trilobites. The first mass extinction event of complex life occurred at the end of this epoch.

Early Middle Cambrian Epoch Web PagesEdit


Event: Early-Middle Cambrian Extinction

Early Middle Cambrian Epoch In the NewsEdit

Sample (Year)Edit

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