1234-123 million years ago

by Smith609, design adapted from Luxo's

on the international stratigraphic timescale 
WhenProterozoic eon, Mesoproterozoic era, Ectasian period
— to —
Phanerozoic eon, Mesozoic era, Cretaceous period, Early Cretaceous subperiod, Aptian epoch
Timeline
Compiled using data from the International Commission on Stratigraphy. Discuss this implementation by Martin R. Smith at Wikipedia or GitHub.
This visualization of the geological timescale is licensed under a Creative Commons Attribution-Share Alike 4.0 Unported License. Creative Commons License.