@prefix rdf: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . rdfs:label "Stratotype Point Base of Pennsylvanian"@en . . skos:member ; skos:memberList [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:rest [ rdf:first ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] ] . . a skos:Concept , , , , rdfs:Resource ; rdfs:label "Base of Pennsylvanian"@en ; ; skos:altLabel "Base of Lower Pennsylvanian"@en , "Base of Bashkirian"@en ; skos:prefLabel "Base of Pennsylvanian"@en ; . skos:narrower . . . . . . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .