World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
41
Citations
6830
World Ranking
5492
National Ranking
2028

Bruce Runnegar publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Bruce Runnegar sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 85 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Bruce Runnegar D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Bruce Runnegar sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 41 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 1993 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1987 - Fellow of the Australian Academy of Science

Overview

Bruce Runnegar is affiliated with the University of California, Los Angeles in the United States. Their research primarily focuses on Earth and Planetary Sciences, with a notable emphasis on paleontology, oceanography, and atmospheric science. They have contributed significantly to subfields such as paleontology, oceanography, atmospheric science, ecology, evolution, behavior and systematics, and geophysics.

The scientist's main research topics include paleontology and stratigraphy of fossils, geology and paleoclimatology research, marine biology and ecology research, marine and coastal plant biology, plant diversity and evolution, paleontology and evolutionary biology, and geological and geochemical analysis.

Bruce Runnegar's publication record includes numerous papers across prominent scientific journals. Recent selected works include:

  • Pelagiella exigua, an early Cambrian stem gastropod with chaetae: lophotrochozoan heritage and conchiferan novelty, 2020, published in Palaeontology
  • Following the logic behind biological interpretations of the Ediacaran biotas, 2021, published in Geological Magazine
  • Phyllozoon and Aulozoon: key components of a novel Ediacaran death assemblage in Bathtub Gorge, Heysen Range, South Australia, 2021, published in Geological Magazine
  • Ediacaran paleobiology and biostratigraphy of the Nama Group, Namibia, with emphasis on the erniettomorphs, tubular and trace fossils, and a new sponge, Arimasia germsi n. gen. n. sp., 2024, published in Journal of Paleontology
  • Kungurian (Cisuralian/Early Permian) brachiopods from the Snapper Point Formation, southern Sydney Basin, southeastern Australia, 2023, published in Alcheringa An Australasian Journal of Palaeontology

The most frequent journals or venues where Bruce Runnegar has published include Geological Magazine, Alcheringa An Australasian Journal of Palaeontology, Palaeontology, Journal of Paleontology, and Proceedings of the National Academy of Sciences.

Collaborations are a notable element of their work. Frequent co-authors are:

  • James G. Gehlîng
  • Sören Jensen
  • Álvaro Javier
  • Mónica Martí Mus
  • Ulf Linnemann

Bruce Runnegar has been recognized by scientific communities through election as a Fellow of the American Association for the Advancement of Science (AAAS) in 1993 and as a Fellow of the Australian Academy of Science in 1987.

Best Publications

  • Megascopic eukaryotic algae from the 2.1-billion-year-old negaunee iron-formation, Michigan.

    Tsu-Ming Han;Bruce Runnegar

  • Two or four Neoproterozoic glaciations

    Martin J. Kennedy;Martin J. Kennedy;Bruce Runnegar;Anthony R. Prave;K.-H. Hoffmann

  • A global carbon isotope excursion (SPICE) during the Late Cambrian: relation to trilobite extinctions, organic-matter burial and sea level

    Matthew R. Saltzman;Robert L. Ripperdan;M.D. Brasier;Kyger C. Lohmann

  • Molluscan phylogeny: the paleontological viewpoint.

    Bruce Runnegar;John Pojeta

  • Oxygen requirements, biology and phylogenetic significance of the late Precambrian worm Dickinsonia, and the evolution of the burrowing habit

    Bruce Runnegar

  • Chronology of early Cambrian biomineralization

    Artem Kouchinsky;Stefan Bengtson;Bruce Runnegar;Christian Skovsted

  • Carbon isotope stratigraphy of Upper Cambrian (Steptoean Stage) sequences of the eastern Great Basin: Record of a global oceanographic event

    Matthew R. Saltzman;Bruce Runnegar;Kyger C. Lohmann

  • Australian middle cambrian molluscs and their bearing on early molluscan evolution

    Bruce Runnegar;Peter A. Jell

  • Pulse of atmospheric oxygen during the late Cambrian

    Matthew R. Saltzman;Seth A. Young;Lee R. Kump;Benjamin C. Gill;Benjamin C. Gill

  • The Cambrian explosion: Animals or fossils?

    Bruce Runnegar

  • The Late Cambrian Spice (δ13C) Event and the Sauk II-SAUK III Regression: New Evidence from Laurentian Basins in Utah, Iowa, and Newfoundland

    Matthew R. Saltzman;Clinton A. Cowan;Anthony C. Runkel;Bruce Runnegar

  • Biology of the Hyolitha

    Bruce Runnegar;John Pojeta;Noel J. Morris;John D. Taylor

  • The paleontology of rostroconch mollusks and the early history of the phylum Mollusca

    John Pojeta;Bruce Runnegar

  • Shell microstructures of Cambrian molluscs replicated by phosphate

    Bruce Runnegar

  • Evolutionary history of the bivalve subclass Anomalodesmata

    Bruce Runnegar

  • Loophole for snowball Earth.

    Bruce Runnegar

  • The SPICE carbon isotope excursion in Siberia: a combined study of the upper Middle Cambrian–lowermost Ordovician Kulyumbe River section, northwestern Siberian Platform

    Artem Kouchinsky;Stefan Bengtson;Yves Gallet;Igor Korovnikov

  • Precambrian oxygen levels estimated from the biochemistry and physiology of early eukaryotes

    Bruce Runnegar

  • Carbon isotope stratigraphy of the Precambrian-Cambrian Sukharikha River section, northwestern Siberian platform

    Artem Kouchinsky;Stefan Bengtson;Vladimir Pavlov;Bruce Runnegar

  • Scratch Traces of Large Ediacara Bilaterian Animals

    James G. Gehling;James G. Gehling;Bruce N. Runnegar;Mary L. Droser

  • Muscle scars, shell form and torsion in Cambrian and Ordovician univalved molluscs

    Bruce Runnegar

Frequent Co-Authors

Matthew R. Saltzman
Matthew R. Saltzman The Ohio State University
James G. Gehling
James G. Gehling South Australian Museum
Christopher D. Coath
Christopher D. Coath University of Bristol
Benjamin C. Gill
Benjamin C. Gill Virginia Tech
Lee R. Kump
Lee R. Kump Pennsylvania State University
Kyger C. Lohmann
Kyger C. Lohmann University of Michigan–Ann Arbor
Edward D. Young
Edward D. Young University of California, Los Angeles
Stefan Bengtson
Stefan Bengtson Swedish Museum of Natural History
Linda C. Ivany
Linda C. Ivany Syracuse University
Timothy W. Lyons
Timothy W. Lyons University of California, Riverside

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Choosing the right online degree requires balancing personal goals, career aspirations, and flexibility needs. By understanding these related educational options, Earth Science students can tailor their pathways for maximum impact and fulfillment.

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