2016:

New age model from A Concise Geologic Time Scale 2016 by James G. Ogg, Gabi M. Ogg, and Felix M. Gradstein (2016, Elsevier)

Download pdf chart 2016

2012:

New age model from The Geologic Time Scale 2012 by F.M. Gradstein et al., 2012 (Elsevier)

Download pdf chart 2012

2009:

Quaternary issue is resolved

Download pdf chart 2009

2008:

Discussion about Quaternary still going on;

Ratified: Holocene, Thanetian, Selandian, Bathonian, Carnian, Guzhangian;

informal Hadean added 

Download pdf chart 2008

2007:

Discussion about Quaternary;

new individual Commission for the Geologic Map of the World (CGMW) colors for systems, series and stages;

Ratified: Serravallian, all Ordovician stages named and ratified, Guzhangian named, Drumian named and ratified

Download pdf chart 2007

2005:

Ratified: Ladinian, Changsingian;

Cambrian subdivided into 4 series

Download pdf chart 2005

2004:

has still old colors of Commission for the Geologic Map of the World (CGMW) (series and stages have the same color);

Cambrian is subdivided into 3 series: lower, middle, upper

Download pdf chart 2004