{"id":"https://openalex.org/W2619906066","doi":null,"title":"Evolution of the earliest graptolites and other hemichordates","display_name":"Evolution of the earliest graptolites and other hemichordates","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W2619906066","mag":"2619906066"},"language":"en","primary_location":{"id":"mag:2619906066","doi":null,"is_oa":false,"landing_page_url":"http://eprints.esc.cam.ac.uk/id/eprint/50","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109041632","display_name":"R. B. Rickards","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. B. Rickards","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5042966965","display_name":"P. N. Durman","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"P. N. Durman","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.9729,"has_fulltext":false,"cited_by_count":45,"citation_normalized_percentile":{"value":0.9684249,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.8730000257492065,"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":0.8730000257492065,"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"}},{"id":"https://openalex.org/T10955","display_name":"Paleontology and Evolutionary Biology","score":0.08789999783039093,"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"}},{"id":"https://openalex.org/T11354","display_name":"Evolution and Paleontology Studies","score":0.028200000524520874,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/graptolites","display_name":"graptolites","score":0.9779999852180481},{"id":"https://openalex.org/keywords/hemichordates","display_name":"hemichordates","score":0.9829999804496765},{"id":"https://openalex.org/keywords/early-evolution","display_name":"early evolution","score":0.4970000088214874},{"id":"https://openalex.org/keywords/cambrian","display_name":"Cambrian","score":0.48399999737739563},{"id":"https://openalex.org/keywords/chordate-origin","display_name":"chordate origin","score":0.5130000114440918}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3174116015434265}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2619906066","doi":null,"is_oa":false,"landing_page_url":"http://eprints.esc.cam.ac.uk/id/eprint/50","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W568552425","https://openalex.org/W1516288702","https://openalex.org/W3034672515","https://openalex.org/W2560230464","https://openalex.org/W2243006214","https://openalex.org/W2909193069","https://openalex.org/W2980807624","https://openalex.org/W2908505690","https://openalex.org/W1564419826","https://openalex.org/W567008239"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2017-06-05T00:00:00"}
