{"id":"S85097139","label":"Paleontology--Pennsylvanian","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85097139","normalized_label":"paleontology--pennsylvanian","broader":["http://id.loc.gov/authorities/subjects/sh85097125"],"aliases":["Pennsylvanian Period","Upper Carboniferous Period"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85097139","provider":"lcsh","revision":"82b13a277298c034","taxonomy_revision":"f050b5d4780b1289","title":"Paleontology--Pennsylvanian","url":"/topics/S85097139","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088283085960528448","address_version":"morton4x16-v1","coordinates":[0,20,18922,52224],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}