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Data sets Publications Expeditions Thesaurus
Zlichovian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Zlichovian
RTLower Devonian
 Middle Devonian
SNEurope. Devonian, above Pragian and below Eifelian. Added to Thesaurus in 1985.