{"id":"https://openalex.org/W7213971333","doi":"https://doi.org/10.31233/osf.io/dbtm3_v2","title":"Decoupling Taxon Completeness and Phylogenetic Instability in Macronarian Sauropod Morphological Datasets","display_name":"Decoupling Taxon Completeness and Phylogenetic Instability in Macronarian Sauropod Morphological Datasets","publication_year":2026,"publication_date":"2026-09-22","ids":{"openalex":"https://openalex.org/W7213971333","doi":"https://doi.org/10.31233/osf.io/dbtm3_v2"},"language":"en","primary_location":{"id":"doi:10.31233/osf.io/dbtm3_v2","doi":"https://doi.org/10.31233/osf.io/dbtm3_v2","is_oa":true,"landing_page_url":"https://doi.org/10.31233/osf.io/dbtm3_v2","pdf_url":null,"source":{"id":"https://openalex.org/S4306400732","display_name":"PaleoRxiv (OSF Preprints)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799848540","host_organization_name":"Center for Open Science","host_organization_lineage":["https://openalex.org/I2799848540"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.31233/osf.io/dbtm3_v2","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5141291982","display_name":"Chetan Dookhy","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Chetan Dookhy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5141291982"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/T10955","display_name":"Paleontology and Evolutionary Biology","score":0.8881999850273132,"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":0.8881999850273132,"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":0.05790000036358833,"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/T10385","display_name":"Plant Diversity and Evolution","score":0.015599999576807022,"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/macronaria","display_name":"Macronaria","score":0.6800000071525574},{"id":"https://openalex.org/keywords/sauropods","display_name":"sauropod dinosaurs","score":0.9100000262260437},{"id":"https://openalex.org/keywords/morphological-systematics","display_name":"morphological systematics","score":0.75},{"id":"https://openalex.org/keywords/missing-data","display_name":"missing data","score":0.6100000143051147},{"id":"https://openalex.org/keywords/character-conflict","display_name":"character conflict","score":0.8960000276565552}],"concepts":[{"id":"https://openalex.org/C71640776","wikidata":"https://www.wikidata.org/wiki/Q16521","display_name":"Taxon","level":2,"score":0.6468999981880188},{"id":"https://openalex.org/C193252679","wikidata":"https://www.wikidata.org/wiki/Q242125","display_name":"Phylogenetic tree","level":3,"score":0.6459000110626221},{"id":"https://openalex.org/C44465124","wikidata":"https://www.wikidata.org/wiki/Q713623","display_name":"Clade","level":4,"score":0.5011000037193298},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.47999998927116394},{"id":"https://openalex.org/C44527532","wikidata":"https://www.wikidata.org/wiki/Q722612","display_name":"Macroevolution","level":4,"score":0.4318000078201294},{"id":"https://openalex.org/C17231256","wikidata":"https://www.wikidata.org/wiki/Q5156540","display_name":"Completeness (order theory)","level":2,"score":0.37860000133514404},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.3725000023841858},{"id":"https://openalex.org/C5274069","wikidata":"https://www.wikidata.org/wiki/Q2285707","display_name":"Categorical variable","level":2,"score":0.3682999908924103},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.359499990940094},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.3422999978065491},{"id":"https://openalex.org/C90132467","wikidata":"https://www.wikidata.org/wiki/Q171184","display_name":"Phylogenetics","level":3,"score":0.3244999945163727},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.29739999771118164},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.29499998688697815},{"id":"https://openalex.org/C132074034","wikidata":"https://www.wikidata.org/wiki/Q154210","display_name":"Congruence (geometry)","level":2,"score":0.2786000072956085},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.25839999318122864},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2535000145435333},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.31233/osf.io/dbtm3_v2","doi":"https://doi.org/10.31233/osf.io/dbtm3_v2","is_oa":true,"landing_page_url":"https://doi.org/10.31233/osf.io/dbtm3_v2","pdf_url":null,"source":{"id":"https://openalex.org/S4306400732","display_name":"PaleoRxiv (OSF Preprints)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799848540","host_organization_name":"Center for Open Science","host_organization_lineage":["https://openalex.org/I2799848540"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.31233/osf.io/dbtm3_v2","doi":"https://doi.org/10.31233/osf.io/dbtm3_v2","is_oa":true,"landing_page_url":"https://doi.org/10.31233/osf.io/dbtm3_v2","pdf_url":null,"source":{"id":"https://openalex.org/S4306400732","display_name":"PaleoRxiv (OSF Preprints)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799848540","host_organization_name":"Center for Open Science","host_organization_lineage":["https://openalex.org/I2799848540"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"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/W7169832513","https://openalex.org/W2103302481","https://openalex.org/W7036026365","https://openalex.org/W7098648547","https://openalex.org/W2099002894","https://openalex.org/W6892226634","https://openalex.org/W2152933358","https://openalex.org/W7100830343","https://openalex.org/W7214573981","https://openalex.org/W7098862801"],"abstract_inverted_index":{"Understanding":[0],"the":[1,137],"relationship":[2,98],"between":[3,99],"taxon":[4],"completeness":[5,127,216],"and":[6,49,74,102,113,128,140,149,176,183,225],"phylogenetic":[7,25,65,223],"stability":[8,69,131],"is":[9,36,218],"critical":[10],"for":[11,222],"morphological":[12,54],"systematics,":[13],"particularly":[14],"in":[15],"clades":[16],"like":[17],"Macronaria,":[18],"where":[19],"fragmentary":[20,191],"fossil":[21],"remains":[22],"frequently":[23,145],"complicate":[24],"inference.":[26],"This":[27],"study":[28],"evaluates":[29],"whether":[30],"topological":[31],"instability":[32,209],"within":[33],"Macronarian":[34],"sauropods":[35],"a":[37,44],"predictable":[38],"function":[39],"of":[40,46,136,162],"observational":[41,126],"missingness":[42,101],"or":[43],"reflection":[45],"dataset":[47],"architecture":[48,231],"underlying":[50],"character":[51,212,230],"conflict.Eight":[52],"published":[53],"matrices":[55],"spanning":[56],"2002":[57],"to":[58,62,121,180,211],"2026":[59],"were":[60],"standardized":[61],"analyze":[63],"baseline":[64],"behavior,":[66],"calculate":[67],"continuous":[68],"metrics\u2014Positional":[70],"Congruence":[71,83],"Reduced":[72],"(PCR)":[73],"Leaf":[75],"Stability":[76],"Index":[77],"(LSI)\u2014and":[78],"perform":[79],"formal":[80,165],"Iterative":[81],"Positional":[82],"Reduction":[84],"(IterPCR)":[85],"rogue":[86,115,166],"identification.":[87],"Across":[88],"six":[89],"estimable":[90],"datasets,":[91],"rank-correlation":[92],"analyses":[93],"revealed":[94],"no":[95],"statistically":[96],"significant":[97],"primary":[100],"LSI-derived":[103],"positional":[104],"instability.":[105],"Categorical":[106],"comparisons":[107],"showed":[108],"that":[109,124,189],"highly":[110,169],"incomplete":[111,143],"terminals":[112,192],"IterPCR-selected":[114],"taxa":[116,144,167,205],"overlapped":[117],"by":[118],"only":[119],"17.1%":[120],"40.6%,":[122],"demonstrating":[123],"gross":[125],"empirical":[129],"tree-derived":[130,233],"capture":[132],"non-equivalent":[133],"properties.Experimental":[134],"deletion":[135,161],"top":[138],"5%":[139],"10%":[141],"most":[142],"improved":[146],"strict-consensus":[147],"resolution":[148,175],"reduced":[150],"Robinson\u2013Foulds":[151],"(RF)":[152],"tree-space":[153],"dispersion":[154,178],"beyond":[155],"matched":[156],"random":[157,184],"controls.":[158],"However,":[159],"matrix-level":[160],"independently":[163],"identified":[164],"yielded":[168],"variable":[170],"results,":[171],"occasionally":[172],"deteriorating":[173],"consensus":[174],"increasing":[177],"relative":[179],"both":[181],"high-missingness":[182],"treatments.":[185],"Anatomical":[186],"auditing":[187],"confirmed":[188],"extremely":[190],"can":[193,206],"remain":[194],"locally":[195],"constrained":[196],"when":[197],"preserving":[198],"key":[199],"diagnostic":[200],"regions,":[201],"whereas":[202],"relatively":[203],"well-scored":[204],"exhibit":[207],"substantial":[208],"owing":[210],"conflict.":[213],"Consequently,":[214],"percentage":[215],"alone":[217],"an":[219],"inadequate":[220],"proxy":[221],"reliability,":[224],"matrix":[226],"refinement":[227],"requires":[228],"evaluating":[229],"alongside":[232],"stability.":[234]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-09-22T00:00:00"}