ratified by IUGS (15-12-2019)
Stratotype Point Base of Hauterivian
https://stratigraphy.org/icschart/ChangeLog2012-2013-2014-2015-2016-2017-2018-2019-2020.txt
base of Bed 189 of La Charce Section.
Ammonite FAD of genus Acanthodiscus (especially A. radiatus)
Stratotype Point Base of Hauterivian
Base of Hauterivian
true
La Charce village, DrĂ´me Province, southeast France