en
2015-08-18 17:59 PM CEST
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/homerian:1
http://inspire.ec.europa.eu/codelist/GeochronologicEraValue/homerian
Homerian (older bound-426.2 +/-2.4 Ma, younger bound-422.9 +/-2.5 Ma)
IUGS /CGI value