World's Best Scientists 2026 revealed!
Ulfur Arnason

Ulfur Arnason

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Biology and Biochemistry
Sweden
2023

D-Index & Metrics

Biology and Biochemistry

D-Index
68
Citations
13461
World Ranking
7948
National Ranking
105

Ulfur Arnason publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Ulfur Arnason sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 144 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Ulfur Arnason D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ulfur Arnason sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 68 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Biology and Biochemistry in Sweden Leader Award

Overview

Úlfur Árnason is affiliated with Lund University in Sweden and primarily conducts research in Environmental Science, with a focus on Ecology, Genetics, Anthropology, Archeology, and Oceanography. Their work spans diverse topics including marine animal studies, genetic diversity and population structure, Pleistocene-era hominins, forensic anthropology, avian ecology, marine and coastal plant biology, and ancient environmental studies.

The scientist has published papers in several notable venues including Hereditas, Molecular Biology and Evolution, BMC Biology, Gigabyte, and bioRxiv (Cold Spring Harbor Laboratory). Key recent publications include:

  • "Genomic Impact of Whaling in North Atlantic Fin Whales," 2022, Molecular Biology and Evolution
  • "The genome of the pygmy right whale illuminates the evolution of rorquals," 2023, BMC Biology
  • "The reversal of human phylogeny: Homo left Africa as erectus, came back as sapiens sapiens," 2020, Hereditas
  • "Whole-genome re-sequencing of the Baikal seal and other phocid seals for a glimpse into their genetic diversity, demographic history, and phylogeny," 2024, Gigabyte
  • "The unidirectional phylogeny of Homo sapiens anchors the origin of modern humans in Eurasia," 2021, Hereditas

Frequently collaborating with other researchers, Úlfur Árnason has co-authored multiple works with colleagues such as Axel Janke, Magnus Wolf, Marcel Nebenführ, Menno de Jong, and Sverrir Daníel Halldórsson.

The scientist's research contributions address multiple facets of marine biology and human evolutionary studies. The marine animal studies overview is especially prominent, representing the largest cluster of topics in their work. Research on Pleistocene-era hominins and forensic anthropology intersects with archaeological perspectives, strengthening interdisciplinary approaches to understanding human history and environmental interactions.

Publication venues highlight the scientific fields in which Úlfur Árnason is active, with a particular emphasis on genetics and evolutionary biology, while also contributing to environmental and ecological discussions. Their work bridges molecular approaches with classical field studies, reflecting a comprehensive methodology in addressing complex biological and environmental questions.

Best Publications

  • Mammalian mitogenomic relationships and the root of the eutherian tree.

    Ulfur Arnason;Joseph A. Adegoke;Kristina Bodin;Erik W. Born

  • The complete mitochondrial DNA sequence of the horse, Equus caballus: extensive heteroplasmy of the control region

    Xiufeng Xu;Úlfur Arnason

  • The guinea-pig is not a rodent

    Anna Maria D'Erchia;Anna Maria D'Erchia;Carmela Gissi;Carmela Gissi;Graziano Pesole;Cecilia Saccone;Cecilia Saccone

  • Comparative chromosome painting discloses homologous segments in distantly related mammals

    Harry Scherthan;Thomas Cremer;Ulfur Arnason;Heinz-Ulrich Weier

  • The complete nucleotide sequence of the mitochondrial DNA of the fin whale, Balaenoptera physalus.

    Ulfur Arnason;Anette Gullberg;Bengt Widegren

  • Nuclear Genomic Sequences Reveal that Polar Bears Are an Old and Distinct Bear Lineage

    Frank Hailer;Verena E. Kutschera;Björn M. Hallström;Denise Klassert

  • Early Penguin Fossils, Plus Mitochondrial Genomes, Calibrate Avian Evolution

    Kerryn E. Slack;Craig M. Jones;Tatsuro Ando;G. L.(Abby) Harrison

  • Pinniped phylogeny and a new hypothesis for their origin and dispersal.

    Ulfur Arnason;Anette Gullberg;Axel Janke;Morgan Kullberg

  • The Complete Mitochondrial Genome of the Wallaroo (Macropus Robustus) and the Phylogenetic Relationship Among Monotremata, Marsupialia, and Eutheria

    Axel Janke;Xiufeng Xu;Ulfur Arnason

  • The complete mitochondrial DNA sequence of the harbor seal, Phoca vitulina.

    Úlfur Árnason;Ellinor Johnsson

  • The complete mitochondrial DNA sequence of the pig (Sus scrofa).

    Björn M. Ursing;Ulfur Arnason

  • Marsupial relationships and a timeline for marsupial radiation in South Gondwana

    Maria A Nilsson;Ulfur Arnason;Peter B S Spencer;Axel Janke

  • Cytochrome b nucleotide sequences and the identification of five primary lineages of extant cetaceans.

    U Arnason;A Gullberg

  • The mitochondrial DNA molecule of sumatran orangutan and a molecular proposal for two (Bornean and Sumatran) species of orangutan

    Xiufeng Xu;Ulfur Arnason

  • The complete mitochondrial genome of Alligator mississippiensis and the separation between recent archosauria (birds and crocodiles).

    A Janke;U Arnason

  • Molecular Timing of Primate Divergences as Estimated by Two Nonprimate Calibration Points

    Ulfur Arnason;Anette Gullberg;Axel Janke

  • Cetacean mitochondrial DNA control region: sequences of all extant baleen whales and two sperm whale species.

    U Arnason;A Gullberg;B Widegren

  • Mitogenomic analyses provide new insights into cetacean origin and evolution

    Ulfur Arnason;Anette Gullberg;Axel Janke

  • Comparison between the complete mtDNA sequences of the blue and the fin whale, two species that can hybridize in nature.

    Úlfur Árnason;Anette Gullberg

  • Mitogenomic relationships of placental mammals and molecular estimates of their divergences.

    Ulfur Arnason;Joseph A. Adegoke;Joseph A. Adegoke;Anette Gullberg;Eric H. Harley

Frequent Co-Authors

Axel Janke
Axel Janke Goethe University Frankfurt
Karl Skírnisson
Karl Skírnisson University of Iceland
Carsten Nowak
Carsten Nowak Senckenberg Nature Research Society
Kristin L. Laidre
Kristin L. Laidre University of Washington
Harry Scherthan
Harry Scherthan University of Ulm
David Penny
David Penny Massey University
Göran Levan
Göran Levan University of Gothenburg
Cecilia Saccone
Cecilia Saccone University of Bari Aldo Moro
Kurt Benirschke
Kurt Benirschke University of California, San Diego
Jennifer A. Leonard
Jennifer A. Leonard Spanish National Research Council

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