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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 41 5492 5078 2028 1801 85 6830

Bruce Runnegar publications per year

The chart shows the history of publications by Bruce Runnegar between 1965 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bruce Runnegar published across 61 years, from 1965 to 2025, averaging 1.8 papers a year. Output peaked at 6 publications in 2008. 4 of the 108 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1965 to 2025. Vertical axis: number of publications, 0 to 6. Peak 6 publications in 2008. 1965: 1 publication 1966: 1 publication 1967: 2 publications 1968: 1 publication 1969: 2 publications 1970: 1 publication 1971: 0 publications 1972: 2 publications 1973: 1 publication 1974: 3 publications 1975: 5 publications 1976: 3 publications 1977: 1 publication 1978: 1 publication 1979: 3 publications 1980: 2 publications 1981: 1 publication 1982: 3 publications 1983: 2 publications 1984: 1 publication 1985: 4 publications 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 1 publication 1990: 0 publications 1991: 3 publications 1992: 5 publications 1993: 2 publications 1994: 1 publication 1995: 2 publications 1996: 0 publications 1997: 0 publications 1998: 2 publications 1999: 0 publications 2000: 2 publications 2001: 1 publication 2002: 1 publication 2003: 2 publications 2004: 3 publications 2005: 5 publications 2006: 0 publications 2007: 3 publications 2008: 6 publications 2009: 0 publications 2010: 1 publication 2011: 3 publications 2012: 1 publication 2013: 0 publications 2014: 2 publications 2015: 2 publications 2016: 0 publications 2017: 2 publications 2018: 0 publications 2019: 3 publications 2020: 1 publication 2021: 3 publications 2022: 2 publications 2023: 4 publications 2024: 2 publications 2025: 2 publications
1965 2025

108 publications in total across all disciplines

View publications per year as a table
Bruce Runnegar: publications per year, 1965 to 2025
Year Publications
1965 1
1966 1
1967 2
1968 1
1969 2
1970 1
1971 0
1972 2
1973 1
1974 3
1975 5
1976 3
1977 1
1978 1
1979 3
1980 2
1981 1
1982 3
1983 2
1984 1
1985 4
1986 1
1987 0
1988 0
1989 1
1990 0
1991 3
1992 5
1993 2
1994 1
1995 2
1996 0
1997 0
1998 2
1999 0
2000 2
2001 1
2002 1
2003 2
2004 3
2005 5
2006 0
2007 3
2008 6
2009 0
2010 1
2011 3
2012 1
2013 0
2014 2
2015 2
2016 0
2017 2
2018 0
2019 3
2020 1
2021 3
2022 2
2023 4
2024 2
2025 2
Total 108
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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.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 78–87 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 85 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278 85
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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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.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 41 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 41 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289 41
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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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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