en
2015-08-18 17:59 PM CEST
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/asselian:1
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/asselian
Asselian (older bound-299 +/-0.8 Ma, younger bound-294.6 +/-0.8 Ma)
IUGS /CGI value