{"id":"https://openalex.org/W2809117331","doi":"https://doi.org/10.3099/mcz44.1","title":"Eusthenopteron jenkinsi sp. nov. (Sarcopterygii, Tristichopteridae) from the Upper Devonian of Nunavut, Canada, and a Review of Eusthenopteron Taxonomy","display_name":"Eusthenopteron jenkinsi sp. nov. (Sarcopterygii, Tristichopteridae) from the Upper Devonian of Nunavut, Canada, and a Review of Eusthenopteron Taxonomy","publication_year":2018,"publication_date":"2018-06-01","ids":{"openalex":"https://openalex.org/W2809117331","doi":"https://doi.org/10.3099/mcz44.1","mag":"2809117331"},"language":"en","primary_location":{"id":"doi:10.3099/mcz44.1","doi":"https://doi.org/10.3099/mcz44.1","is_oa":false,"landing_page_url":"https://doi.org/10.3099/mcz44.1","pdf_url":null,"source":{"id":"https://openalex.org/S119709983","display_name":"Breviora","issn_l":"0006-9698","issn":["0006-9698","1938-2979"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310316030","host_organization_name":"Museum of Comparative Zoology","host_organization_lineage":["https://openalex.org/P4310316030","https://openalex.org/P4310316284"],"host_organization_lineage_names":["Museum of Comparative Zoology","Harvard University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Breviora","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.biodiversitylibrary.org/part/374158","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038508157","display_name":"Jason Philip Downs","orcid":"https://orcid.org/0009-0006-8789-5645","observed_orcids":["https://orcid.org/0009-0006-8789-5645"]},"institutions":[{"id":"https://openalex.org/I72816309","display_name":"Drexel University","ror":"https://ror.org/04bdffz58","country_code":"US","type":"education","lineage":["https://openalex.org/I72816309"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jason P. Downs,","raw_affiliation_strings":["Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","Academy of Natural Sciences of Drexel University","Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A","Department of Vertebrate Biology. 1900 Benjamin Franklin Parkway, Philadelphia. Pennsylvania 19103, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","institution_ids":[]},{"raw_affiliation_string":"Academy of Natural Sciences of Drexel University","institution_ids":["https://openalex.org/I72816309"]},{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A","institution_ids":[]},{"raw_affiliation_string":"Department of Vertebrate Biology. 1900 Benjamin Franklin Parkway, Philadelphia. Pennsylvania 19103, U.S.A","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013262414","display_name":"Edward B. Daeschler","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Edward B. Daeschler,","raw_affiliation_strings":["Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","University of Chicago, Department of Organismal Biology and Anatomy, 1027 E 57th Street. Chicago, Illinois 60637. U.S.A","Cambridge, Mass. US","Harvard College 2018","Harvard University, Museum of Comparative Zoology, Ernst Mayr","Holding Institution Harvard University, Museum of Comparative Zoology, Ernst Mayr Library"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","institution_ids":[]},{"raw_affiliation_string":"University of Chicago, Department of Organismal Biology and Anatomy, 1027 E 57th Street. Chicago, Illinois 60637. U.S.A","institution_ids":["https://openalex.org/I40347166"]},{"raw_affiliation_string":"Cambridge, Mass. US","institution_ids":[]},{"raw_affiliation_string":"Harvard College 2018","institution_ids":[]},{"raw_affiliation_string":"Harvard University, Museum of Comparative Zoology, Ernst Mayr","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Holding Institution Harvard University, Museum of Comparative Zoology, Ernst Mayr Library","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110833529","display_name":"Alison M. Long","orcid":"https://orcid.org/0000-0001-5286-719X","observed_orcids":["https://orcid.org/0000-0001-5286-719X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Alison M. Long","raw_affiliation_strings":["Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","institution_ids":[]},{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065717281","display_name":"Neil H. Shubin","orcid":"https://orcid.org/0000-0002-7424-0475","observed_orcids":["https://orcid.org/0000-0002-7424-0475"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I40347166","display_name":"University of Chicago","ror":"https://ror.org/024mw5h28","country_code":"US","type":"education","lineage":["https://openalex.org/I40347166"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Neil H. Shubin","raw_affiliation_strings":["Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","University of Chicago, Department of Organismal Biology and Anatomy, 1027 E 57th Street. Chicago, Illinois 60637. U.S.A","Cambridge, Mass. US","Harvard College 2018","Harvard University, Museum of Comparative Zoology, Ernst Mayr","Holding Institution Harvard University, Museum of Comparative Zoology, Ernst Mayr Library"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Delaware Valley University, Department of Biology, Doylestown, Pennsylvania 18901, U.S.A.; e-mail: jason.downs@delval.edu, longa0936@delval.edu","institution_ids":[]},{"raw_affiliation_string":"University of Chicago, Department of Organismal Biology and Anatomy, 1027 E 57th Street. Chicago, Illinois 60637. U.S.A","institution_ids":["https://openalex.org/I40347166"]},{"raw_affiliation_string":"Cambridge, Mass. US","institution_ids":[]},{"raw_affiliation_string":"Harvard College 2018","institution_ids":[]},{"raw_affiliation_string":"Harvard University, Museum of Comparative Zoology, Ernst Mayr","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Holding Institution Harvard University, Museum of Comparative Zoology, Ernst Mayr Library","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5013262414","https://openalex.org/A5038508157","https://openalex.org/A5065717281","https://openalex.org/A5110833529"],"corresponding_institution_ids":["https://openalex.org/I136199984","https://openalex.org/I40347166","https://openalex.org/I72816309"],"apc_list":null,"apc_paid":null,"fwci":0.6134,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.60980524,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"562","issue":"1","first_page":"1","last_page":"24"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10955","display_name":"Paleontology and Evolutionary Biology","score":0.9916999936103821,"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/T10955","display_name":"Paleontology and Evolutionary Biology","score":0.9916999936103821,"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":0.004000000189989805,"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":0.0012000000569969416,"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/sarcopterygii","display_name":"Sarcopterygii","score":0.8920000195503235},{"id":"https://openalex.org/keywords/new-species","display_name":"new species","score":0.6600000262260437},{"id":"https://openalex.org/keywords/upper-devonian","display_name":"Upper Devonian","score":0.8610000014305115},{"id":"https://openalex.org/keywords/frasnian","display_name":"Frasnian","score":0.8899999856948853},{"id":"https://openalex.org/keywords/ellesmere-island","display_name":"Ellesmere Island","score":0.9829999804496765},{"id":"https://openalex.org/keywords/taxonomy","display_name":"taxonomy","score":0.6320000290870667},{"id":"https://openalex.org/keywords/braincase-anatomy","display_name":"braincase anatomy","score":0.5920000076293945},{"id":"https://openalex.org/keywords/pectoral-fin","display_name":"pectoral fin","score":0.8450000286102295},{"id":"https://openalex.org/keywords/hyomandibula","display_name":"hyomandibula","score":0.8130000233650208},{"id":"https://openalex.org/keywords/autapomorphies","display_name":"autapomorphies","score":0.8019999861717224},{"id":"https://openalex.org/keywords/lobe-finned-fishes","display_name":"lobe-finned fishes","score":0.7990000247955322}],"concepts":[{"id":"https://openalex.org/C107832698","wikidata":"https://www.wikidata.org/wiki/Q65955","display_name":"Devonian","level":2,"score":0.7245660424232483},{"id":"https://openalex.org/C150081808","wikidata":"https://www.wikidata.org/wiki/Q773887","display_name":"Autapomorphy","level":4,"score":0.6657764911651611},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.6589318513870239},{"id":"https://openalex.org/C58642233","wikidata":"https://www.wikidata.org/wiki/Q8269924","display_name":"Taxonomy (biology)","level":2,"score":0.6337034106254578},{"id":"https://openalex.org/C2780012436","wikidata":"https://www.wikidata.org/wiki/Q193527","display_name":"Vomer","level":2,"score":0.5851502418518066},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.47415584325790405},{"id":"https://openalex.org/C2910132601","wikidata":"https://www.wikidata.org/wiki/Q756066","display_name":"Pectoral girdle","level":2,"score":0.4434086084365845},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3207303285598755},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.2849425673484802},{"id":"https://openalex.org/C90132467","wikidata":"https://www.wikidata.org/wiki/Q171184","display_name":"Phylogenetics","level":3,"score":0.22252553701400757},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.19656160473823547},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3099/mcz44.1","doi":"https://doi.org/10.3099/mcz44.1","is_oa":false,"landing_page_url":"https://doi.org/10.3099/mcz44.1","pdf_url":null,"source":{"id":"https://openalex.org/S119709983","display_name":"Breviora","issn_l":"0006-9698","issn":["0006-9698","1938-2979"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310316030","host_organization_name":"Museum of Comparative Zoology","host_organization_lineage":["https://openalex.org/P4310316030","https://openalex.org/P4310316284"],"host_organization_lineage_names":["Museum of Comparative Zoology","Harvard University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Breviora","raw_type":"journal-article"},{"id":"pmh:oai:biodiversitylibrary.org:part/374158","doi":null,"is_oa":true,"landing_page_url":"https://www.biodiversitylibrary.org/part/374158","pdf_url":null,"source":{"id":"https://openalex.org/S4306402618","display_name":"Biodiversity Heritage Library (Smithsonian Institution)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I103187081","host_organization_name":"Smithsonian Institution","host_organization_lineage":["https://openalex.org/I103187081"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:biodiversitylibrary.org:part/374158","doi":null,"is_oa":true,"landing_page_url":"https://www.biodiversitylibrary.org/part/374158","pdf_url":null,"source":{"id":"https://openalex.org/S4306402618","display_name":"Biodiversity Heritage Library (Smithsonian Institution)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I103187081","host_organization_name":"Smithsonian Institution","host_organization_lineage":["https://openalex.org/I103187081"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W1615698512","https://openalex.org/W1820255410","https://openalex.org/W1896810057","https://openalex.org/W1991547601","https://openalex.org/W2007875088","https://openalex.org/W2008754330","https://openalex.org/W2020483316","https://openalex.org/W2029183075","https://openalex.org/W2037998103","https://openalex.org/W2038990783","https://openalex.org/W2063473807","https://openalex.org/W2077341109","https://openalex.org/W2081480493","https://openalex.org/W2094370487","https://openalex.org/W2098558536","https://openalex.org/W2102323424","https://openalex.org/W2115821228","https://openalex.org/W2116830153","https://openalex.org/W2120146329","https://openalex.org/W2120761547","https://openalex.org/W2128500185","https://openalex.org/W2132251372","https://openalex.org/W2133282157","https://openalex.org/W2138016348","https://openalex.org/W2139150183","https://openalex.org/W2140620850","https://openalex.org/W2150378791","https://openalex.org/W2156610190","https://openalex.org/W2174025410","https://openalex.org/W2176907073","https://openalex.org/W2322167462","https://openalex.org/W2322500005","https://openalex.org/W2323936146","https://openalex.org/W2327098492","https://openalex.org/W2477785500","https://openalex.org/W2491706755","https://openalex.org/W2536019527","https://openalex.org/W2801303374","https://openalex.org/W4249412407","https://openalex.org/W4389154893"],"related_works":["https://openalex.org/W3208865381","https://openalex.org/W4409900310","https://openalex.org/W4406591331","https://openalex.org/W2518195513","https://openalex.org/W2171980408","https://openalex.org/W2095083841","https://openalex.org/W4376873850","https://openalex.org/W2081480493","https://openalex.org/W2077341109","https://openalex.org/W7098380049"],"abstract_inverted_index":{"New":[0],"material":[1,29],"from":[2,59],"the":[3,27,80,122,127],"Upper":[4],"Devonian":[5],"(Frasnian)":[6],"Fram":[7],"Formation":[8],"of":[9,19,26,33,79,96,99,109,115,130,142],"Ellesmere":[10],"Island,":[11],"Nunavut,":[12],"Canada,":[13],"represents":[14],"a":[15,31,75,86,113,134,140],"new":[16,55,135],"large-bodied":[17],"species":[18,56,62],"Eusthenopteron.":[20,124],"The":[21,54],"complete":[22],"and":[23,48,51,85,94,132,149],"well-preserved":[24],"nature":[25],"fossil":[28],"enables":[30],"description":[32],"anatomy":[34],"that":[35,110,137,145],"is":[36,57],"otherwise":[37],"poorly":[38],"represented":[39],"in":[40,104],"most":[41],"Eusthenopteron":[42,61,100,131],"species;":[43],"this":[44],"includes":[45],"braincase":[46],"(ethmosphenoid":[47],"otic-occipital),":[49],"scapulocoracoid,":[50],"pectoral":[52],"fin.":[53],"distinguished":[58],"other":[60],"by":[63,151],"its":[64],"large":[65,91],"body":[66],"size,":[67],"pitted":[68],"rather":[69],"than":[70],"tuberculated":[71],"dermal":[72],"cranial":[73],"ornament,":[74],"distinct":[76],"caudolateral":[77],"margin":[78],"vomer,":[81],"an":[82,105],"unossified":[83],"basicranium,":[84],"horizontally":[87],"oriented":[88],"hyomandibula.":[89],"A":[90],"sample":[92],"size":[93],"decades":[95],"detailed":[97],"study":[98],"foordi":[101],"have":[102],"resulted":[103],"important":[106],"anatomical":[107],"understanding":[108],"species,":[111],"but":[112],"lack":[114],"autapomorphies":[116],"has":[117],"complicated":[118],"efforts":[119],"to":[120],"diagnose":[121],"grouping":[123],"We":[125],"review":[126],"taxonomic":[128],"history":[129],"provide":[133],"diagnosis":[136],"relies":[138],"on":[139],"combination":[141],"discrete":[143],"features":[144],"are":[146],"commonly":[147],"preserved":[148],"unaffected":[150],"specimen":[152],"quality.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2018-06-29T00:00:00"}