2,803
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − + − + − +
→Useful links
==Useful links==
==Useful links==
* [https://en.wikipedia.org/wiki/System_(stratigraphy) System]
* [https://en.wikipedia.org/wiki/System_(stratigraphy) Wikipedia System article]
* [https://en.wikipedia.org/wiki/Geologic_time_scale#Terminology Geologic time scale]
* [https://en.wikipedia.org/wiki/Geologic_time_scale#Terminology Wikipedia Geologic time scale]
* [http://www.geol.umd.edu/~tholtz/G102/102bios.htm Biostratigraphy and the geologic time scale]
* [http://www.geol.umd.edu/~tholtz/G102/102bios.htm University of Maryland Biostratigraphy and the geologic time scale]
==See also==
==See also==