Tham khảo

Sách

• Torsvik, Trond H.; Cocks, L. Robin M. (2016), Earth History and Palaeogeography, Cambridge University Press, ISBN 978-1-107-10532-4
• Gradstein, Felix M.; Ogg, James G.; Schmitz, Mark D.; Ogg, Gabi M., bt. (2020), Geologic Time Scale 2020, Elsevier, ISBN 978-0-12-824360-2
• Stanley, Steven M.; Luczaj, John A . (2015), Earth System History (lxb. 4), Macmillan Learning, ISBN 978-1-4292-5526-4