@prefix rdf: . @prefix owl: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . rdfs:label "Silurian Period"@en ; skos:narrower ; . rdfs:label "Gorstian Age"@en ; skos:broader ; ; . a skos:Concept , , rdfs:Resource , , ; rdfs:comment "older bound -427.4 +|-0.5 Ma"@en , "younger bound -423 +|-2.3 Ma"@en ; rdfs:label "Ludlow Epoch"@en ; owl:sameAs ; skos:broader ; skos:broaderTransitive , ; skos:inScheme ; skos:narrower , ; skos:notation "a1.1.3.4.2"^^ ; skos:prefLabel "Ludlovis"@lt , "Ludlow"@nl , "Ludlow"@no , "Ludlow"@pl , "Ludlow"@pt , "Ludlow"@cs , "Ludlow"@da , "ludlow"@it , "ludlow"@sk , "ludlow"@sv , "Ludlow"@de , "Ludlow"@en , "Ludlow"@fi , "Ludlow"@es , "Ludlow"@et , "Ludlow"@fr , "ルーロビアン世"@ja , "ludlowij"@sl , "卢德洛世"@zh , "ludlowi"@hu , "Лудлоу"@bg ; ; ; ; ; ; ; , ; ; foaf:primaryTopicOf . rdfs:label "Base of Ludlow"@en . rdfs:label "International Chronostratigraphic Chart (2017)"@en . rdfs:label "Pridoli Epoch"@en ; . rdfs:label "Homerian Age"@en ; . skos:member . skos:member . rdfs:label "Phanerozoic Eon"@en ; skos:narrowerTransitive . rdfs:label "Paleozoic Era"@en ; skos:narrowerTransitive . rdfs:label "Base of Pridoli"@en . rdfs:label "Wenlock Epoch"@en ; . rdfs:label "Ludfordian Age"@en ; skos:broader ; ; . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .