Marshal Hedin - Publications

Affiliations: 
1996-1999 University of Arizona, Tucson, AZ 
 1999- San Diego State University, San Diego, CA, United States 

75 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Monjaraz-Ruedas R, Mendez RW, Hedin M. Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, ) from the United States / Mexico borderlands. Zookeys. 1167: 109-157. PMID 37363739 DOI: 10.3897/zookeys.1167.103463  0.441
2023 Hedin M, Milne MA. New species in old mountains: integrative taxonomy reveals ten new species and extensive short-range endemism in spiders (Araneae, Nesticidae) from the southern Appalachian Mountains. Zookeys. 1145: 1-130. PMID 37234697 DOI: 10.3897/zookeys.1145.96724  0.473
2022 Ciaccio E, Debray A, Hedin M. Phylogenomics of paleoendemic lampshade spiders (Araneae, Hypochilidae, ), with the description of a new species from montane California. Zookeys. 1086: 163-204. PMID 35221748 DOI: 10.3897/zookeys.1086.77190  0.49
2022 Derkarabetian S, Starrett J, Hedin M. Using natural history to guide supervised machine learning for cryptic species delimitation with genetic data. Frontiers in Zoology. 19: 8. PMID 35193622 DOI: 10.1186/s12983-022-00453-0  0.445
2021 Azevedo GHF, Bougie T, Carboni M, Hedin M, Ramírez MJ. Combining genomic, phenotypic and Sanger sequencing data to elucidate the phylogeny of the two-clawed spiders (Dionycha). Molecular Phylogenetics and Evolution. 166: 107327. PMID 34666169 DOI: 10.1016/j.ympev.2021.107327  0.399
2020 Ramírez MJ, Magalhaes ILF, Derkarabetian S, Ledford J, Griswold CE, Wood HM, Hedin M. Sequence-capture phylogenomics of true spiders reveals convergent evolution of respiratory systems. Systematic Biology. PMID 32497195 DOI: 10.1093/Sysbio/Syaa043  0.388
2020 Maddison WP, Maddison DR, Derkarabetian S, Hedin M. Sitticine jumping spiders: phylogeny, classification, and chromosomes (Araneae, Salticidae, Sitticini). Zookeys. 925: 1-54. PMID 32317852 DOI: 10.3897/Zookeys.925.39691  0.698
2019 Opatova V, Hamilton CA, Hedin M, De Oca LM, Král J, Bond JE. Phylogenetic Systematics and Evolution of the Spider Infraorder Mygalomorphae Using Genomic Scale Data. Systematic Biology. PMID 31841157 DOI: 10.1093/Sysbio/Syz064  0.442
2019 Hedin M, Foldi S, Rajah-Boyer B. Evolutionary divergences mirror Pleistocene paleodrainages in a rapidly-evolving complex of oasis-dwelling jumping spiders (Salticidae, Habronattus tarsalis). Molecular Phylogenetics and Evolution. 106696. PMID 31790817 DOI: 10.1016/J.Ympev.2019.106696  0.475
2019 Derkarabetian S, Castillo S, Koo PK, Ovchinnikov S, Hedin M. A demonstration of unsupervised machine learning in species delimitation. Molecular Phylogenetics and Evolution. 106562. PMID 31323334 DOI: 10.1016/J.Ympev.2019.106562  0.458
2019 Hedin M, Derkarabetian S, Alfaro A, Ramírez MJ, Bond JE. Phylogenomic analysis and revised classification of atypoid mygalomorph spiders (Araneae, Mygalomorphae), with notes on arachnid ultraconserved element loci. Peerj. 7: e6864. PMID 31110925 DOI: 10.7717/Peerj.6864  0.488
2018 Hedin M, Derkarabetian S, Blair J, Paquin P. Sequence capture phylogenomics of eyeless spiders from Texas caves, with emphasis on US federally-endangered species from Bexar County (Araneae, Hahniidae). Zookeys. 49-76. PMID 29988790 DOI: 10.3897/Zookeys.769.25814  0.55
2018 Derkarabetian S, Starrett J, Tsurusaki N, Ubick D, Castillo S, Hedin M. A stable phylogenomic classification of Travunioidea (Arachnida, Opiliones, Laniatores) based on sequence capture of ultraconserved elements. Zookeys. 1-36. PMID 29872361 DOI: 10.3897/Zookeys.760.24937  0.573
2018 Hedin M, Derkarabetian S, Ramírez MJ, Vink C, Bond JE. Phylogenomic reclassification of the world's most venomous spiders (Mygalomorphae, Atracinae), with implications for venom evolution. Scientific Reports. 8: 1636. PMID 29374214 DOI: 10.1038/S41598-018-19946-2  0.385
2018 Burns M, Hedin M, Tsurusaki N. Population genomics and geographical parthenogenesis in Japanese harvestmen (Opiliones, Sclerosomatidae, Leiobunum). Ecology and Evolution. 8: 36-52. PMID 29321849 DOI: 10.1002/Ece3.3605  0.785
2017 Wheeler WC, Coddington JA, Crowley LM, Dimitrov D, Goloboff PA, Griswold CE, Hormiga G, Prendini L, Ramírez MJ, Sierwald P, Almeida-Silva L, Alvarez-Padilla F, Arnedo MA, Benavides Silva LR, Benjamin SP, ... ... Hedin M, et al. The spider tree of life: phylogeny of Araneae based on target-gene analyses from an extensive taxon sampling. Cladistics : the International Journal of the Willi Hennig Society. 33: 574-616. PMID 34724759 DOI: 10.1111/cla.12182  0.683
2017 Starrett J, Hayashi CY, Derkarabetian S, Hedin M. Cryptic elevational zonation in trapdoor spiders (Araneae, Antrodiaetidae, Aliatypus janus complex) from the California southern Sierra Nevada. Molecular Phylogenetics and Evolution. PMID 28919504 DOI: 10.1016/J.Ympev.2017.09.003  0.531
2017 Carlson DE, Hedin M. Comparative transcriptomics of Entelegyne spiders (Araneae, Entelegynae), with emphasis on molecular evolution of orphan genes. Plos One. 12: e0174102. PMID 28379977 DOI: 10.1371/Journal.Pone.0174102  0.461
2017 Hedin M, McCormack M. Biogeographical evidence for common vicariance and rare dispersal in a southern Appalachian harvestman (Sabaconidae, Sabacon cavicolens ) Journal of Biogeography. 44: 1665-1678. DOI: 10.1111/Jbi.12973  0.581
2016 Starrett J, Derkarabetian S, Hedin M, Bryson RW, McCormack JE, Faircloth BC. High Phylogenetic Utility of an Ultraconserved Element Probe Set Designed for Arachnida. Molecular Ecology Resources. PMID 27768256 DOI: 10.1111/1755-0998.12621  0.557
2016 Derkarabetian S, Burns M, Starrett J, Hedin M. Population genomic evidence for multiple Pliocene refugia in a montane-restricted harvestman (Arachnida, Opiliones, Sclerobunus robustus) from the southwestern United States. Molecular Ecology. PMID 27483047 DOI: 10.1111/Mec.13789  0.766
2016 Burns M, Starrett J, Derkarabetian S, Richart CH, Cabrero A, Hedin M. Comparative performance of double-digest RAD sequencing across divergent arachnid lineages. Molecular Ecology Resources. PMID 27454533 DOI: 10.1111/1755-0998.12575  0.734
2016 DiDomenico A, Hedin M. New species in the Sitalcina sura species group (Opiliones, Laniatores, Phalangodidae), with evidence for a biogeographic link between California desert canyons and Arizona sky islands. Zookeys. 1-36. PMID 27199607 DOI: 10.3897/Zookeys.586.7832  0.553
2016 Garrison NL, Rodriguez J, Agnarsson I, Coddington JA, Griswold CE, Hamilton CA, Hedin M, Kocot KM, Ledford JM, Bond JE. Spider phylogenomics: untangling the Spider Tree of Life. Peerj. 4: e1719. PMID 26925338 DOI: 10.7717/Peerj.1719  0.699
2016 Starrett J, Derkarabetian S, Richart CH, Cabrero A, Hedin M. A new monster from southwest Oregon forests: Cryptomaster behemoth sp. n. (Opiliones, Laniatores, Travunioidea). Zookeys. 11-35. PMID 26877685 DOI: 10.3897/Zookeys.555.6274  0.785
2016 Emata KN, Hedin M. From the mountains to the coast and back again: Ancient biogeography in a radiation of short-range endemic harvestmen from California. Molecular Phylogenetics and Evolution. 98: 233-43. PMID 26876666 DOI: 10.1016/J.Ympev.2016.02.002  0.554
2016 Wheeler WC, Coddington JA, Crowley LM, Dimitrov D, Goloboff PA, Griswold CE, Hormiga G, Prendini L, Ramírez MJ, Sierwald P, Almeida-Silva L, Alvarez-Padilla F, Arnedo MA, Benavides Silva LR, Benjamin SP, ... ... Hedin M, et al. The spider tree of life: phylogeny of Araneae based on target-gene analyses from an extensive taxon sampling Cladistics. 33: 574-616. DOI: 10.1111/Cla.12182  0.701
2015 Richart CH, Hayashi CY, Hedin M. Phylogenomic analyses resolve an ancient trichotomy at the base of Ischyropsalidoidea (Arachnida, Opiliones) despite high levels of gene tree conflict and unequal minority resolution frequencies. Molecular Phylogenetics and Evolution. 95: 171-182. PMID 26691642 DOI: 10.1016/J.Ympev.2015.11.010  0.45
2015 Leavitt DH, Starrett J, Westphal MF, Hedin M. Multilocus sequence data reveal dozens of putative cryptic species in a radiation of endemic Californian mygalomorph spiders (Araneae, Mygalomorphae, Nemesiidae). Molecular Phylogenetics and Evolution. 91: 56-67. PMID 26025426 DOI: 10.1016/J.Ympev.2015.05.016  0.565
2015 Hedin M, Carlson D, Coyle F. Sky island diversification meets the multispecies coalescent - divergence in the spruce-fir moss spider (Microhexura montivaga, Araneae, Mygalomorphae) on the highest peaks of southern Appalachia. Molecular Ecology. 24: 3467-84. PMID 26011071 DOI: 10.1111/Mec.13248  0.508
2015 Hedin M. High-stakes species delimitation in eyeless cave spiders (Cicurina, Dictynidae, Araneae) from central Texas. Molecular Ecology. 24: 346-61. PMID 25492722 DOI: 10.1111/Mec.13036  0.531
2015 Schönhofer AL, Vernesi C, Martens J, Hedin M. Molecular phylogeny, biogeographic history, and evolution of cave-dwelling taxa in the European harvestman genusIschyropsalis(Opiliones: Dyspnoi) Journal of Arachnology. 43: 40-53. DOI: 10.1636/H14-39.1  0.541
2014 Derkarabetian S, Hedin M. Integrative taxonomy and species delimitation in harvestmen: a revision of the western North American genus Sclerobunus (Opiliones: Laniatores: Travunioidea). Plos One. 9: e104982. PMID 25144370 DOI: 10.1371/Journal.Pone.0104982  0.46
2014 Bond JE, Garrison NL, Hamilton CA, Godwin RL, Hedin M, Agnarsson I. Phylogenomics resolves a spider backbone phylogeny and rejects a prevailing paradigm for orb web evolution. Current Biology : Cb. 24: 1765-71. PMID 25042592 DOI: 10.1016/J.Cub.2014.06.034  0.702
2013 Richart CH, Hedin M. Three new species in the harvestmen genus Acuclavella (Opiliones, Dyspnoi, Ischyropsalidoidea), including description of male Acuclavella quattuor Shear, 1986. Zookeys. 19-68. PMID 23825441 DOI: 10.3897/Zookeys.311.2920  0.551
2013 Satler JD, Carstens BC, Hedin M. Multilocus species delimitation in a complex of morphologically conserved trapdoor spiders (mygalomorphae, antrodiaetidae, aliatypus). Systematic Biology. 62: 805-23. PMID 23771888 DOI: 10.1093/Sysbio/Syt041  0.538
2013 Burns MM, Hedin M, Shultz JW. Comparative analyses of reproductive structures in harvestmen (opiliones) reveal multiple transitions from courtship to precopulatory antagonism. Plos One. 8: e66767. PMID 23762497 DOI: 10.1371/Journal.Pone.0066767  0.757
2013 Starrett J, Hedin M, Ayoub N, Hayashi CY. Hemocyanin gene family evolution in spiders (Araneae), with implications for phylogenetic relationships and divergence times in the infraorder Mygalomorphae Gene. 524: 175-186. PMID 23628796 DOI: 10.1016/J.Gene.2013.04.037  0.484
2013 Hedin M, Starrett J, Hayashi C. Crossing the uncrossable: Novel trans-valley biogeographic patterns revealed in the genetic history of low-dispersal mygalomorph spiders (Antrodiaetidae, Antrodiaetus) from California Molecular Ecology. 22: 508-526. PMID 23205500 DOI: 10.1111/Mec.12130  0.497
2013 Schönhofer AL, McCormack M, Tsurusaki N, Martens J, Hedin M. Molecular phylogeny of the harvestmen genus Sabacon (Arachnida: Opiliones: Dyspnoi) reveals multiple Eocene-Oligocene intercontinental dispersal events in the Holarctic. Molecular Phylogenetics and Evolution. 66: 303-15. PMID 23085535 DOI: 10.1016/J.Ympev.2012.10.001  0.515
2012 Hedin M, Starrett J, Akhter S, Schönhofer AL, Shultz JW. Phylogenomic resolution of paleozoic divergences in harvestmen (Arachnida, Opiliones) via analysis of next-generation transcriptome data. Plos One. 7: e42888. PMID 22936998 DOI: 10.1371/Journal.Pone.0042888  0.741
2012 Bond JE, Hendrixson BE, Hamilton CA, Hedin M. A reconsideration of the classification of the spider infraorder Mygalomorphae (Arachnida: Araneae) based on three nuclear genes and morphology. Plos One. 7: e38753. PMID 22723885 DOI: 10.1371/Journal.Pone.0038753  0.473
2012 Burns M, Hedin M, Shultz JW. Molecular phylogeny of the leiobunine harvestmen of eastern North America (Opiliones: Sclerosomatidae: Leiobuninae). Molecular Phylogenetics and Evolution. 63: 291-8. PMID 22266183 DOI: 10.1016/J.Ympev.2011.12.025  0.778
2012 Hedin M, Tsurusaki N, Macías-Ordóñez R, Shultz JW. Molecular systematics of sclerosomatid harvestmen (Opiliones, Phalangioidea, Sclerosomatidae): geography is better than taxonomy in predicting phylogeny. Molecular Phylogenetics and Evolution. 62: 224-36. PMID 22001211 DOI: 10.1016/J.Ympev.2011.09.017  0.729
2012 Keith R, Hedin M. Extreme mitochondrial population subdivision in southern Appalachian paleoendemic spiders (Araneae: Hypochilidae: Hypochilus), with implications for species delimitation Journal of Arachnology. 40: 167-181. DOI: 10.1636/A11-49.1  0.541
2011 Satler JD, Starrett J, Hayashi CY, Hedin M. Inferring species trees from gene trees in a radiation of California trapdoor spiders (Araneae, Antrodiaetidae, Aliatypus). Plos One. 6: e25355. PMID 21966507 DOI: 10.1371/Journal.Pone.0025355  0.522
2011 Derkarabetian S, Ledford J, Hedin M. Genetic diversification without obvious genitalic morphological divergence in harvestmen (Opiliones, Laniatores, Sclerobunus robustus) from montane sky islands of western North America. Molecular Phylogenetics and Evolution. 61: 844-53. PMID 21864691 DOI: 10.1016/J.Ympev.2011.08.004  0.466
2011 Baldo L, De Queiroz A, Hedin M, Hayashi CY, Gatesy J. Nuclear-mitochondrial sequences as witnesses of past interbreeding and population diversity in the jumping bristletail mesomachilis Molecular Biology and Evolution. 28: 195-210. PMID 20667982 DOI: 10.1093/Molbev/Msq193  0.509
2011 Satler JD, Starrett J, Hayashi CY, Hedin M. Inferring species trees from gene trees in a radiation of california trapdoor spiders (Araneae, Antrodiaetidae, Aliatypus) Plos One. 6. DOI: 10.1371/journal.pone.0025355  0.307
2011 HEDIN M, CARLSON D. A new trapdoor spider species from the southern Coast Ranges of California (Mygalomorphae, Antrodiaetidae, Aliatypus coylei, sp. nov,), including consideration of mitochondrial phylogeographic structuring Zootaxa. 2963: 55. DOI: 10.11646/Zootaxa.2963.1.3  0.553
2010 Derkarabetian S, Steinmann DB, Hedin M. Repeated and time-correlated morphological convergence in cave-dwelling harvestmen (Opiliones, Laniatores) from Montane Western North America. Plos One. 5: e10388. PMID 20479884 DOI: 10.1371/Journal.Pone.0010388  0.449
2010 Hedin M, Thomas SM. Molecular systematics of eastern North American Phalangodidae (Arachnida: Opiliones: Laniatores), demonstrating convergent morphological evolution in caves. Molecular Phylogenetics and Evolution. 54: 107-21. PMID 19699807 DOI: 10.1016/J.Ympev.2009.08.020  0.601
2010 Hedin M, Derkarabetian S, McCormack M, Richart C, Shultz JW. The phylogenetic utility of the nuclear protein-coding gene EF-1α for resolving recent divergences in Opiliones, emphasizing intron evolution Journal of Arachnology. 38: 9-20. DOI: 10.1636/Ha09-49.1  0.709
2010 Snowman CV, Zigler KS, Hedin M. Caves as islands: Mitochondrial phylogeography of the cave-obligate spider species Nesticus barri (Araneae: Nesticidae) Journal of Arachnology. 38: 49-56. DOI: 10.1636/A09-057.1  0.453
2009 Hedin M, Lowder MC. Phylogeography of the Habronattus amicus species complex (Araneae: Salticidae) of western North America, with evidence for localized asymmetrical mitochondrial introgression Zootaxa. 2307: 39-60. DOI: 10.11646/Zootaxa.2307.1.2  0.52
2008 Vink CJ, Hedin M, Bodner MR, Maddison WP, Hayashi CY, Garb JE. Actin 5C, a promising nuclear gene for spider phylogenetics. Molecular Phylogenetics and Evolution. 48: 377-82. PMID 18411063 DOI: 10.1016/J.Ympev.2008.03.003  0.554
2008 Thomas SM, Hedin M. Multigenic phylogeographic divergence in the paleoendemic southern Appalachian opilionid Fumontana deprehendor Shear (Opiliones, Laniatores, Triaenonychidae). Molecular Phylogenetics and Evolution. 46: 645-58. PMID 18053750 DOI: 10.1016/J.Ympev.2007.10.013  0.534
2008 Paquin P, Dupérré N, Cokendolpher JC, White K, Hedin M. The fundamental importance of taxonomy in conservation biology: the case of the eyeless Cicurina bandida (Araneae : Dictynidae) of central Texas, including new synonyms and the description of the male of the species Invertebrate Systematics. 22: 139-149. DOI: 10.1071/Is07044  0.513
2007 Starrett J, Hedin M. Multilocus genealogies reveal multiple cryptic species and biogeographical complexity in the California turret spider Antrodiaetus riversi (Mygalomorphae, Antrodiaetidae). Molecular Ecology. 16: 583-604. PMID 17257115 DOI: 10.1111/J.1365-294X.2006.03164.X  0.554
2007 Ayoub NA, Garb JE, Hedin M, Hayashi CY. Utility of the nuclear protein-coding gene, elongation factor-1 gamma (EF-1gamma), for spider systematics, emphasizing family level relationships of tarantulas and their kin (Araneae: Mygalomorphae). Molecular Phylogenetics and Evolution. 42: 394-409. PMID 16971146 DOI: 10.1016/J.Ympev.2006.07.018  0.421
2006 Bond JE, Hedin M. A total evidence assessment of the phylogeny of North American euctenizine trapdoor spiders (Araneae, Mygalomorphae, Cyrtaucheniidae) using Bayesian inference. Molecular Phylogenetics and Evolution. 41: 70-85. PMID 16857391 DOI: 10.1016/J.Ympev.2006.04.026  0.543
2006 Hedin M, Bond JE. Molecular phylogenetics of the spider infraorder Mygalomorphae using nuclear rRNA genes (18S and 28S): conflict and agreement with the current system of classification. Molecular Phylogenetics and Evolution. 41: 454-71. PMID 16815045 DOI: 10.1016/J.Ympev.2006.05.017  0.491
2006 Crews SC, Hedin M. Studies of morphological and molecular phylogenetic divergence in spiders (Araneae: Homalonychus) from the American southwest, including divergence along the Baja California Peninsula. Molecular Phylogenetics and Evolution. 38: 470-87. PMID 16376109 DOI: 10.1016/J.Ympev.2005.11.010  0.502
2006 Thomas SM, Hedin M. Natural history and distribution of the enigmatic southern Appalachian opilionid, Fumontana deprehendor Shear (Laniatores: Triaenonychidae), with an assessment of morphological variation Zootaxa. 1242: 21-36. DOI: 10.11646/Zootaxa.1242.1.2  0.431
2006 Bond JE, Beamer DA, Lamb T, Hedin M. Combining genetic and geospatial analyses to infer population extinction in mygalomorph spiders endemic to the Los Angeles region Animal Conservation. 9: 145-157. DOI: 10.1111/J.1469-1795.2006.00024.X  0.393
2005 Hedin M, Dellinger B. Descriptions of a new species and previously unknown males of Nesticus (Araneae: Nesticidae) from caves in Eastern North America, with comments on species rarity Zootaxa. 904: 1-19. DOI: 10.11646/Zootaxa.904.1.1  0.425
2004 Paquin P, Hedin M. The power and perils of 'molecular taxonomy': a case study of eyeless and endangered Cicurina (Araneae: Dictynidae) from Texas caves. Molecular Ecology. 13: 3239-55. PMID 15367136 DOI: 10.1111/J.1365-294X.2004.02296.X  0.554
2003 Maddison W, Hedin M. Phylogeny of Habronattus jumping spiders (Araneae: Salticidae), with consideration of genital and courtship evolution Systematic Entomology. 28: 1-21. DOI: 10.1046/J.1365-3113.2003.00195.X  0.739
2002 Hedin M, Wood DA. Genealogical exclusivity in geographically proximate populations of Hypochilus thorelli Marx (Araneae, Hypochilidae) on the Cumberland Plateau of North America. Molecular Ecology. 11: 1975-88. PMID 12296942 DOI: 10.1046/J.1365-294X.2002.01561.X  0.449
2001 Hedin MC, Maddison WP. Phylogenetic utility and evidence for multiple copies of elongation factor-1alpha in the spider genus Habronattus (Araneae: Salticidae). Molecular Biology and Evolution. 18: 1512-21. PMID 11470842 DOI: 10.1093/Oxfordjournals.Molbev.A003937  0.613
2001 Bond JE, Hedin MC, Ramirez MG, Opell BD. Deep molecular divergence in the absence of morphological and ecological change in the Californian coastal dune endemic trapdoor spider Aptostichus simus. Molecular Ecology. 10: 899-910. PMID 11348499 DOI: 10.1046/J.1365-294X.2001.01233.X  0.481
2001 Hedin MC, Maddison WP. A combined molecular approach to phylogeny of the jumping spider subfamily dendryphantinae (araneae: salticidae). Molecular Phylogenetics and Evolution. 18: 386-403. PMID 11277632 DOI: 10.1006/Mpev.2000.0883  0.634
2001 Hedin MC. Molecular insights into species phylogeny, biogeography, and morphological stasis in the ancient spider genus Hypochilus (Araneae: Hypochilidae). Molecular Phylogenetics and Evolution. 18: 238-51. PMID 11161759 DOI: 10.1006/MPEV.2000.0882  0.485
1997 Hedin MC. SPECIATIONAL HISTORY IN A DIVERSE CLADE OF HABITAT-SPECIALIZED SPIDERS (ARANEAE: NESTICIDAE: NESTICUS): INFERENCES FROM GEOGRAPHIC-BASED SAMPLING. Evolution; International Journal of Organic Evolution. 51: 1929-1945. PMID 28565115 DOI: 10.1111/j.1558-5646.1997.tb05115.x  0.509
1997 Hedin MC. Molecular phylogenetics at the population/species interface in cave spiders of the southern Appalachians (Araneae:Nesticidae:Nesticus). Molecular Biology and Evolution. 14: 309-24. PMID 9066798 DOI: 10.1093/oxfordjournals.molbev.a025766  0.465
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