Page history
13 December 2020
12 December 2020
7 July 2010
30 June 2010
→60:4. THE END OF THE CHALK PERIOD
→60:4. THE END OF THE CHALK PERIOD
+1,326
→60:3. THE CRETACEOUS STAGE-THE FLOWERING-PLANT PERIOD-THE AGE OF BIRDS
-2
→60:3. THE CRETACEOUS STAGE-THE FLOWERING-PLANT PERIOD-THE AGE OF BIRDS
+2,828
→60:1. THE EARLY REPTILIAN AGE
+41
→60:2. THE LATER REPTILIAN AGE
+1,775
→60:1. THE EARLY REPTILIAN AGE
-4
→60:1. THE EARLY REPTILIAN AGE
+786