{"id":"S89002251","label":"Nannofossils","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89002251","normalized_label":"nannofossils","broader":["http://id.loc.gov/authorities/subjects/sh85003417"],"aliases":["Calcareous nannofossils"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89002251","provider":"lcsh","revision":"b1f11de3bae73f9a","taxonomy_revision":"f050b5d4780b1289","title":"Nannofossils","url":"/topics/S89002251","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"55388997828085250","address_version":"morton4x16-v1","coordinates":[0,21,14404,11264],"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}