en
2015-08-18 17:59 PM CEST
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/sakmarian:1
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/sakmarian
Sakmarian (older bound-294.6 +/-0.8 Ma, younger bound-284.4 +/-0.7 Ma)
IUGS /CGI value