{"id":"https://openalex.org/W1986313129","doi":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","title":"Archaeopteris (Progymnospermopsida) from the Devonian of southern Africa","display_name":"Archaeopteris (Progymnospermopsida) from the Devonian of southern Africa","publication_year":1995,"publication_date":"1995-04-01","ids":{"openalex":"https://openalex.org/W1986313129","doi":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","mag":"1986313129"},"language":"en","primary_location":{"id":"doi:10.1111/j.1095-8339.1995.tb02593.x","doi":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5113668363","display_name":"Heidi M. Anderson","orcid":"https://orcid.org/0000-0002-5627-3142","observed_orcids":["https://orcid.org/0000-0002-5627-3142","https://orcid.org/0000-0003-0418-6474"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"HEIDI M. ANDERSON","raw_affiliation_strings":["National Botanical Institute, Private Bag X101, Pretoria 0001, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Botanical Institute, Private Bag X101, Pretoria 0001, South Africa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109837067","display_name":"Norton Hiller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I203238179","display_name":"Rhodes University","ror":"https://ror.org/016sewp10","country_code":"ZA","type":"education","lineage":["https://openalex.org/I203238179"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"NORTON HILLER","raw_affiliation_strings":["Department of Geology, Rhodes University, Grahamstown 6140, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Rhodes University, Grahamstown 6140, South Africa","institution_ids":["https://openalex.org/I203238179"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033364798","display_name":"Robert W. Gess","orcid":"https://orcid.org/0000-0001-5441-9614","observed_orcids":["https://orcid.org/0000-0001-5441-9614"]},"institutions":[{"id":"https://openalex.org/I203238179","display_name":"Rhodes University","ror":"https://ror.org/016sewp10","country_code":"ZA","type":"education","lineage":["https://openalex.org/I203238179"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"ROBERT W. GESS","raw_affiliation_strings":["Department of Geology, Rhodes University, Grahamstown 6140, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Rhodes University, Grahamstown 6140, South Africa","institution_ids":["https://openalex.org/I203238179"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2685,"currency":"GBP","value_usd":3541},"apc_paid":null,"fwci":1.0274,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.74562688,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"117","issue":"4","first_page":"305","last_page":"320"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.42899999022483826,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.42899999022483826,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.3882000148296356,"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/T12359","display_name":"Fern and Epiphyte Biology","score":0.07750000059604645,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/archaeopteris","display_name":"Archaeopteris","score":0.8420000076293945},{"id":"https://openalex.org/keywords/new-species","display_name":"new species","score":0.5540000200271606},{"id":"https://openalex.org/keywords/devonian","display_name":"Devonian","score":0.48100000619888306},{"id":"https://openalex.org/keywords/southern-africa","display_name":"Southern Africa","score":0.7110000252723694},{"id":"https://openalex.org/keywords/paleogeography","display_name":"paleogeography","score":0.765999972820282},{"id":"https://openalex.org/keywords/climatic-gradient","display_name":"climate gradients","score":0.8100000023841858},{"id":"https://openalex.org/keywords/leafy-branch","display_name":"leafy branch","score":0.5950000286102295}],"concepts":[{"id":"https://openalex.org/C107832698","wikidata":"https://www.wikidata.org/wiki/Q65955","display_name":"Devonian","level":2,"score":0.9361701011657715},{"id":"https://openalex.org/C2781451354","wikidata":"https://www.wikidata.org/wiki/Q6508901","display_name":"Leafy","level":2,"score":0.7878220081329346},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7808372974395752},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.6427586078643799},{"id":"https://openalex.org/C157369684","wikidata":"https://www.wikidata.org/wiki/Q34740","display_name":"Genus","level":2,"score":0.6270647048950195},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.597858726978302},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.33973732590675354},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2639068067073822}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1095-8339.1995.tb02593.x","doi":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1095-8339.1995.tb02593.x","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","raw_type":"journal-article"},{"id":"doi:10.1006/bojl.1995.0021","doi":"https://doi.org/10.1006/bojl.1995.0021","is_oa":false,"landing_page_url":"https://doi.org/10.1006/bojl.1995.0021","pdf_url":null,"source":{"id":"https://openalex.org/S159699259","display_name":"Botanical Journal of the Linnean Society","issn_l":"0024-4074","issn":["0024-4074","1095-8339"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Botanical Journal of the Linnean Society","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W319663532","https://openalex.org/W586512805","https://openalex.org/W614974379","https://openalex.org/W1484929685","https://openalex.org/W1990687998","https://openalex.org/W1991992793","https://openalex.org/W2002869007","https://openalex.org/W2003579827","https://openalex.org/W2030533887","https://openalex.org/W2032529172","https://openalex.org/W2042792746","https://openalex.org/W2059275397","https://openalex.org/W2076381316","https://openalex.org/W2078545368","https://openalex.org/W2125299749","https://openalex.org/W2142560867","https://openalex.org/W2150791735","https://openalex.org/W2224378450","https://openalex.org/W2288258829","https://openalex.org/W2303816928","https://openalex.org/W2463984713","https://openalex.org/W2474824614","https://openalex.org/W2506713412","https://openalex.org/W2511859011","https://openalex.org/W3192128954","https://openalex.org/W4246825279","https://openalex.org/W4252531447","https://openalex.org/W4285719527","https://openalex.org/W6719185200","https://openalex.org/W6726072551"],"related_works":["https://openalex.org/W220554573","https://openalex.org/W633989039","https://openalex.org/W3151064433","https://openalex.org/W3175245107","https://openalex.org/W14928069","https://openalex.org/W2566262828","https://openalex.org/W2020463128","https://openalex.org/W2256161241","https://openalex.org/W2072441158","https://openalex.org/W2750435414"],"abstract_inverted_index":{"Archaeopteris":[0],"notosaria":[1],"sp.":[2],"nov.":[3],"based":[4],"on":[5],"one":[6],"fertile":[7],"and":[8,26],"numerous":[9],"sterile":[10],"leafy":[11],"branches":[12],"is":[13,40],"described":[14],"from":[15],"the":[16,28,33,48],"Grahamstown":[17],"By-Pass":[18],"locality,":[19],"Witpoort":[20],"Formation":[21],"(Witteberg":[22],"Group)":[23],"Upper":[24],"Devonian,":[25],"represents":[27],"first":[29],"unequivocal":[30],"record":[31],"of":[32],"genus":[34],"in":[35,42,53],"southern":[36],"Africa.":[37],"This":[38],"occurrence":[39],"used,":[41],"its":[43],"palaeogeographical":[44],"context,":[45],"to":[46],"support":[47],"suggestion":[49],"that":[50],"climatic":[51],"gradients":[52],"Late":[54],"Devonian":[55],"times":[56],"were":[57],"less":[58],"steep":[59],"than":[60],"they":[61],"are":[62],"at":[63],"present.":[64]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}