{"id":"https://openalex.org/W2010748677","doi":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","title":"FOLIAR MORPHOLOGY AND ANATOMY OF THE GIGANTOPTERID PLANT DELNORTEA ABBOTTIAE, FROM THE LOWER PERMIAN OF WEST TEXAS","display_name":"FOLIAR MORPHOLOGY AND ANATOMY OF THE GIGANTOPTERID PLANT DELNORTEA ABBOTTIAE, FROM THE LOWER PERMIAN OF WEST TEXAS","publication_year":1988,"publication_date":"1988-09-01","ids":{"openalex":"https://openalex.org/W2010748677","doi":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","mag":"2010748677"},"language":"en","primary_location":{"id":"doi:10.1002/j.1537-2197.1988.tb14202.x","doi":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","is_oa":false,"landing_page_url":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","pdf_url":null,"source":{"id":"https://openalex.org/S205086949","display_name":"American Journal of Botany","issn_l":"0002-9122","issn":["0002-9122","1537-2197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Botany","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://deepblue.lib.umich.edu/bitstream/2027.42/142005/1/ajb214202.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073262153","display_name":"Sergius Harry Mamay","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I103187081","display_name":"Smithsonian Institution","ror":"https://ror.org/01pp8nd67","country_code":"US","type":"government","lineage":["https://openalex.org/I103187081"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sergius H. Mamay","raw_affiliation_strings":["Department of Paleobiology Smithsonian Institution Washington DC 20560"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Paleobiology Smithsonian Institution Washington DC 20560","institution_ids":["https://openalex.org/I103187081"]}]},{"author_position":"middle","author":{"id":null,"display_name":"John M. Miller","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I131249849","display_name":"Oregon State University","ror":"https://ror.org/00ysfqy60","country_code":"US","type":"education","lineage":["https://openalex.org/I131249849"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John M. Miller","raw_affiliation_strings":["Department of Botany Oregon State University Corvallis Oregon 97331"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Botany Oregon State University Corvallis Oregon 97331","institution_ids":["https://openalex.org/I131249849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005122788","display_name":"David M. Rohr","orcid":"https://orcid.org/0000-0002-7069-658X","observed_orcids":["https://orcid.org/0000-0002-7069-658X"]},"institutions":[{"id":"https://openalex.org/I162709352","display_name":"Sul Ross State University","ror":"https://ror.org/03x7qhw59","country_code":"US","type":"education","lineage":["https://openalex.org/I162709352"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David M. Rohr","raw_affiliation_strings":["Department of Geology Sul Ross State University Alpine Texas 79832"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology Sul Ross State University Alpine Texas 79832","institution_ids":["https://openalex.org/I162709352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111546676","display_name":"William E. Stein","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William E. Stein","raw_affiliation_strings":["Museum of Paleontology University of Michigan Ann Arbor Michigan 48109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Museum of Paleontology University of Michigan Ann Arbor Michigan 48109","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2660,"currency":"USD","value_usd":2660},"apc_paid":null,"fwci":2.7772,"has_fulltext":true,"cited_by_count":46,"citation_normalized_percentile":{"value":0.8903472,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"75","issue":"9","first_page":"1409","last_page":"1409"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10385","display_name":"Plant Diversity and Evolution","score":0.8467000126838684,"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":0.8467000126838684,"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/T10955","display_name":"Paleontology and Evolutionary Biology","score":0.04639999940991402,"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/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.035100001841783524,"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/leaf-venation","display_name":"leaf venation","score":0.800000011920929},{"id":"https://openalex.org/keywords/leaf-morphology","display_name":"leaf morphology","score":0.6140000224113464},{"id":"https://openalex.org/keywords/petiole-anatomy","display_name":"petiole anatomy","score":0.7639999985694885},{"id":"https://openalex.org/keywords/gnetum","display_name":"Gnetum","score":0.7070000171661377},{"id":"https://openalex.org/keywords/west-texas","display_name":"West Texas","score":0.6880000233650208},{"id":"https://openalex.org/keywords/leonardian","display_name":"Leonardian","score":0.6840000152587891},{"id":"https://openalex.org/keywords/fossil-gymnosperms","display_name":"fossil gymnosperms","score":0.45399999618530273}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8673869371414185},{"id":"https://openalex.org/C2779513598","wikidata":"https://www.wikidata.org/wiki/Q1206719","display_name":"Petiole (insect anatomy)","level":3,"score":0.6639662384986877},{"id":"https://openalex.org/C49799701","wikidata":"https://www.wikidata.org/wiki/Q122811","display_name":"Xylem","level":2,"score":0.6202660799026489},{"id":"https://openalex.org/C157369684","wikidata":"https://www.wikidata.org/wiki/Q34740","display_name":"Genus","level":2,"score":0.5768099427223206},{"id":"https://openalex.org/C83365034","wikidata":"https://www.wikidata.org/wiki/Q76402","display_name":"Permian","level":3,"score":0.5476570725440979},{"id":"https://openalex.org/C162838533","wikidata":"https://www.wikidata.org/wiki/Q1425870","display_name":"Tracheid","level":3,"score":0.4902418255805969},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.4885765016078949},{"id":"https://openalex.org/C71640776","wikidata":"https://www.wikidata.org/wiki/Q16521","display_name":"Taxon","level":2,"score":0.4786180853843689},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.4597734212875366},{"id":"https://openalex.org/C140694484","wikidata":"https://www.wikidata.org/wiki/Q235536","display_name":"Incertae sedis","level":3,"score":0.4560423493385315},{"id":"https://openalex.org/C499950583","wikidata":"https://www.wikidata.org/wiki/Q183252","display_name":"Morphology (biology)","level":2,"score":0.43468648195266724},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1002/j.1537-2197.1988.tb14202.x","doi":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","is_oa":false,"landing_page_url":"https://doi.org/10.1002/j.1537-2197.1988.tb14202.x","pdf_url":null,"source":{"id":"https://openalex.org/S205086949","display_name":"American Journal of Botany","issn_l":"0002-9122","issn":["0002-9122","1537-2197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Botany","raw_type":"journal-article"},{"id":"doi:10.2307/2444464","doi":"https://doi.org/10.2307/2444464","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2444464","pdf_url":null,"source":{"id":"https://openalex.org/S205086949","display_name":"American Journal of Botany","issn_l":"0002-9122","issn":["0002-9122","1537-2197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Botany","raw_type":"journal-article"},{"id":"pmh:oai:deepblue.lib.umich.edu:2027.42/142005","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2027.42/142005","pdf_url":"http://deepblue.lib.umich.edu/bitstream/2027.42/142005/1/ajb214202.pdf","source":{"id":"https://openalex.org/S4306400393","display_name":"Deep Blue (University of Michigan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I27837315","host_organization_name":"University of Michigan","host_organization_lineage":["https://openalex.org/I27837315"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:deepblue.lib.umich.edu:2027.42/142005","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2027.42/142005","pdf_url":"http://deepblue.lib.umich.edu/bitstream/2027.42/142005/1/ajb214202.pdf","source":{"id":"https://openalex.org/S4306400393","display_name":"Deep Blue (University of Michigan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I27837315","host_organization_name":"University of Michigan","host_organization_lineage":["https://openalex.org/I27837315"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G3100043082","display_name":"The Calamopityaceae of North America","funder_award_id":"8306893","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8822645131","display_name":null,"funder_award_id":"PRF 16160 B2C","funder_id":"https://openalex.org/F4320308355","funder_display_name":"American Chemical Society"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320308355","display_name":"American Chemical Society","ror":"https://ror.org/059dqb057"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2010748677.pdf","grobid_xml":"https://content.openalex.org/works/W2010748677.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W72155444","https://openalex.org/W167648713","https://openalex.org/W393920138","https://openalex.org/W637511425","https://openalex.org/W1551238635","https://openalex.org/W1607377925","https://openalex.org/W1963560499","https://openalex.org/W1977838623","https://openalex.org/W1981841294","https://openalex.org/W1983861660","https://openalex.org/W2002803040","https://openalex.org/W2006502161","https://openalex.org/W2012934322","https://openalex.org/W2016619654","https://openalex.org/W2029473812","https://openalex.org/W2063845391","https://openalex.org/W2067952324","https://openalex.org/W2141966387","https://openalex.org/W2152268174","https://openalex.org/W2161479761","https://openalex.org/W2300905206","https://openalex.org/W2333607232","https://openalex.org/W2427660256","https://openalex.org/W2441905729","https://openalex.org/W2472157211","https://openalex.org/W2505888608","https://openalex.org/W2956024568","https://openalex.org/W4239121620","https://openalex.org/W4249161502"],"related_works":["https://openalex.org/W2021015349","https://openalex.org/W2044139908","https://openalex.org/W3113385592","https://openalex.org/W2625209102","https://openalex.org/W2796187433","https://openalex.org/W4252860657","https://openalex.org/W2029473812","https://openalex.org/W2030823538","https://openalex.org/W2080695157","https://openalex.org/W2384466212"],"abstract_inverted_index":{"Delnortea":[0,138,179],"is":[1,69,139,177],"a":[2,54,64,84,106,118,123,144,181,226],"monotypic":[3],"genus":[4],"(type-species:":[5],"D.":[6],"abbottiae)":[7],"of":[8,109,148,199,212,229],"Lower":[9],"Permian":[10],"gymnosperms":[11,149],"based":[12],"on":[13],"leaves":[14,29],"from":[15,41,225],"uppermost":[16],"Leonardian":[17,237],"deltaic":[18],"sediments":[19],"exposed":[20],"in":[21,39,70,83,92,156,231],"the":[22,73,89,93,96,142,166,187,213,232],"Del":[23],"Norte":[24],"Mountains,":[25],"West":[26],"Texas.":[27],"The":[28,47,59,203],"are":[30,49,61,77],"simple,":[31],"symmetrical,":[32],"mostly":[33],"oblong":[34],"or":[35],"elliptical,":[36],"and":[37,51,75,80,100,114,136,193,206,209,216,223],"vary":[38],"length":[40],"1.2":[42],"to":[43,104,141,220],"about":[44],"35":[45],"cm.":[46],"petioles":[48],"short":[50],"stout,":[52],"with":[53,63,88,102,133,152,201],"basally":[55],"enlarged":[56],"abscission":[57],"zone.":[58],"margins":[60],"crenate,":[62],"narrow,":[65],"indurated":[66],"border.":[67],"Venation":[68],"4":[71],"orders:":[72],"secondaries":[74,90],"tertiaries":[76],"robust,":[78],"unbranched,":[79],"pinnately":[81],"arranged":[82],"precise":[85],"\u201cherringbone\u201d":[86],"pattern,":[87],"ending":[91],"marginal":[94],"sinuses;":[95],"quaternaries":[97],"divide":[98],"sparingly":[99],"fuse":[101],"others":[103],"form":[105],"dense":[107],"reticulum":[108],"small":[110,227],"meshes.":[111],"Permineralized":[112],"petiole":[113],"midrib":[115],"material":[116],"reflects":[117],"bifacial":[119],"cambium,":[120],"shown":[121],"by":[122],"semicircular":[124],"vascular":[125],"arc,":[126],"irregularly":[127],"divided":[128],"into":[129],"several":[130],"collateral":[131],"bundles":[132],"secondary":[134],"xylem":[135],"phloem.":[137],"referable":[140],"Gigantopteridaceae,":[143],"probably":[145],"artificial":[146],"family":[147],"incertae":[150],"sedis":[151],"important":[153],"venation":[154],"features":[155],"common,":[157],"but":[158,174],"without":[159],"known":[160],"diagnostic":[161],"reproductive":[162],"organs.":[163],"With":[164],"Delnortea,":[165],"North":[167],"American":[168,188,214],"gigantopterids":[169,215],"now":[170],"include":[171],"5":[172],"genera,":[173],"Gigantopteris":[175],"itself":[176],"lacking.":[178],"holds":[180],"relatively":[182],"advanced":[183],"evolutionary":[184],"position":[185],"among":[186],"gigantopterids;":[189],"its":[190],"leaf":[191],"morphology":[192],"gymnospermous":[194],"anatomy":[195],"entail":[196],"intriguing":[197],"points":[198],"comparison":[200],"Gnetum.":[202],"limited":[204],"geographic":[205],"stratigraphic":[207],"ranges":[208],"morphological":[210],"distinctiveness":[211],"associated":[217],"taxa":[218],"attest":[219],"rapid":[221],"evolution":[222],"dispersal":[224],"area":[228],"origin":[230],"southwestern":[233],"United":[234],"States":[235],"during":[236],"time.":[238]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
