-
-
-
es una división de la escala temporal, perteneciente al Eón Fanerozoico. Esta abarca el período cámbrico, el período ordocívico, entre otros.
Want to make a timeline like this?
Use Timetoast to turn dates, events, milestones, and phases into a clear visual timeline you can build and share. Timetoast is a timeline maker for work, school, research, and stories.