{"id":"https://openalex.org/keywords/extinct-genera","display_name":"extinct genus","description":"A taxonomic genus whose constituent species are all extinct, identified and studied through biological classification and the fossil record.","display_name_alternatives":["extinct genera"],"ids":{"openalex":"https://openalex.org/keywords/extinct-genera","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.7736,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.7736,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":74314,"cited_by_count":910,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/extinct-genera","updated_date":"2026-10-24T04:06:44","created_date":"2026-09-30T00:00:00"}
