en
2015-08-18 17:58 PM CEST
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/pliensbachian:2
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/pliensbachian
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/pliensbachian:1
Pliensbachian (older bound-189.6 +/-1.5 Ma, younger bound-183 +/-1.5 Ma)
IUGS /CGI value