Series was ended in 2015

	Mintage year	Name	Value	Issue date	Mintage
					Proof
	2013	Trias - Life in the water	20 euro	17.04.2013	50,000
	2013	Jura - Life in the air	20 euro	11.09.2013	50,000
	2014	Cretaceous − Life on the Ground	20 euro	19.03.2014	50,000
	2014	Tertiary − Life on the Ground	20 euro	10.09.2014	50,000
	2015	Quaternary - Life on the Ground	20 euro	18.03.2015	50,000