@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://culturaitalia.it/pico/thesaurus/4.3#oligocene>
  skos:scopeNote "c. 33.9-23.03 Ma"@en, "c.ca 33,9-23,03 Ma"@it ;
  skos:broader <http://culturaitalia.it/pico/thesaurus/4.3#cenozoico> ;
  skos:inScheme <http://culturaitalia.it/pico/thesaurus/4.3> ;
  skos:prefLabel "Oligocene"@en, "Oligocene"@it ;
  a skos:Concept .

<http://culturaitalia.it/pico/thesaurus/4.3> a skos:ConceptScheme .
<http://culturaitalia.it/pico/thesaurus/4.3#cenozoico>
  skos:prefLabel "Cenozoic"@en, "Cenozoico"@it ;
  a skos:Concept ;
  skos:narrower <http://culturaitalia.it/pico/thesaurus/4.3#oligocene> .