arkeiska eonen
type: Concept
part of: prekambrium
broader: geologiska perioder
in scheme: conceptscheme
preferred label: archaean era @en
preferred label: arkeeinen kausi @fi

prekambrium
type: Concept
preferred label: prekambrinen maailmankausi @fi
preferred label: pre-cambrian era @en

geologiska perioder
type: Concept
preferred label: geological eras @en
preferred label: geologiset kaudet @fi
narrower: arkeiska eonen