Correction to: Journal of Palaeogeography

https://doi.org/10.1186/s42501-018-0017-z

After publication of this article (Yan et al. 2019), it is noticed the article contains some error:

‘※P3–2’ in 'Discussion' section (on page 11 of the PDF) need to be corrected to ‘aP3–2’.

The original article has been updated accordingly. We apologize for the inconvenience caused.