Original: Although the Period takes its name from the Ediacara Hills where geologist Reg Sprigg first discovered fossils of the eponymous biota in 1946 , the type section is located in the Brachina GorgeSouth Australian Museum Newsletter April 2005 Accessed 9 August 2010 .
Simplified: The Ediacaran Period represents the time from the end of global Marinoan glaciation to the first appearance worldwide of certain trace fossils ( Trichophycus pedum ) at the base of the Cambrian .