World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 61 1775 1593 782 683 444 14828

Martin G. Lockley publications per year

The chart shows the history of publications by Martin G. Lockley between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Martin G. Lockley published across 48 years, from 1978 to 2025, averaging 10 papers a year. Output peaked at 44 publications in 2021. 12 of the 478 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2021. 1978: 2 publications 1979: 1 publication 1980: 1 publication 1981: 1 publication 1982: 0 publications 1983: 2 publications 1984: 0 publications 1985: 0 publications 1986: 2 publications 1987: 5 publications 1988: 2 publications 1989: 2 publications 1990: 8 publications 1991: 5 publications 1992: 4 publications 1993: 4 publications 1994: 5 publications 1995: 19 publications 1996: 1 publication 1997: 4 publications 1998: 8 publications 1999: 6 publications 2000: 9 publications 2001: 9 publications 2002: 6 publications 2003: 14 publications 2004: 12 publications 2005: 8 publications 2006: 13 publications 2007: 12 publications 2008: 12 publications 2009: 13 publications 2010: 10 publications 2011: 6 publications 2012: 22 publications 2013: 15 publications 2014: 23 publications 2015: 22 publications 2016: 24 publications 2017: 15 publications 2018: 22 publications 2019: 18 publications 2020: 16 publications 2021: 44 publications 2022: 24 publications 2023: 15 publications 2024: 7 publications 2025: 5 publications
1978 2025

478 publications in total across all disciplines

View publications per year as a table
Martin G. Lockley: publications per year, 1978 to 2025
Year Publications
1978 2
1979 1
1980 1
1981 1
1982 0
1983 2
1984 0
1985 0
1986 2
1987 5
1988 2
1989 2
1990 8
1991 5
1992 4
1993 4
1994 5
1995 19
1996 1
1997 4
1998 8
1999 6
2000 9
2001 9
2002 6
2003 14
2004 12
2005 8
2006 13
2007 12
2008 12
2009 13
2010 10
2011 6
2012 22
2013 15
2014 23
2015 22
2016 24
2017 15
2018 22
2019 18
2020 16
2021 44
2022 24
2023 15
2024 7
2025 5
Total 478
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Martin G. Lockley 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 Martin G. Lockley 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, 438–447 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: 444 publications — 96th percentile

96% 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
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 36 444
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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Martin G. Lockley 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 Martin G. Lockley 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, 61 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: 61 D-Index — 81st percentile

81% 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
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 61
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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Overview

Martin G. Lockley is affiliated with the University of Colorado Denver in the United States. Their research primarily spans Earth and Planetary Sciences with an emphasis on Paleontology and Environmental Science. The subfields they focus on include Paleontology, Nature and Landscape Conservation, Earth-Surface Processes, Anthropology, and Archeology.

The scientist's work covers several main topics, including:

  • Paleontology and Evolutionary Biology
  • Evolution and Paleontology Studies
  • Ichthyology and Marine Biology
  • Geological formations and processes
  • Paleontology and Stratigraphy of Fossils
  • Pleistocene-Era Hominins and Archaeology
  • Geology and Paleoclimatology Research

Among recent publications, Lockley has contributed to the following papers:

  • Trackway evidence for large bipedal crocodylomorphs from the Cretaceous of Korea, 2020, Scientific Reports
  • The new ichnotaxon Eubrontes nobitai ichnosp. nov. and other saurischian tracks from the Lower Cretaceous of Sichuan Province and a review of Chinese Eubrontes-type tracks, 2021, Journal of Palaeogeography
  • Tracking the Pliensbachian-Toarcian Karoo firewalkers: Trackways of quadruped and biped dinosaurs and mammaliaforms, 2020, PLoS ONE
  • Lower cretaceous avian-dominated, theropod, thyreophoran, pterosaur and turtle track assemblages from the Tugulu Group, Xinjiang, China: ichnotaxonomy and palaeoecology, 2021, PeerJ
  • Dating the Pleistocene hominin ichnosites on South Africa's Cape south coast, 2023, Ichnos/Ichnos: an international journal for plant and animal traces

Lockley frequently collaborates with several other researchers. Co-authors with whom there has been notable collaboration include:

  • Lida Xing
  • W. Scott Persons
  • Hendrik Klein
  • Anthony Romilio
  • Charles W. Helm

The scientist has published extensively in a wide range of academic venues, with frequent publications appearing in:

  • Historical Biology
  • Cretaceous Research
  • Biosis Biological Systems
  • Quaternary Research
  • Abstracts with programs - Geological Society of America

In addition to journal articles, Martin G. Lockley has contributed to book publications, including a title published by Indiana University Press:

  • From Siberian Prisoner to Dinosaur Egg Detective, 2024

Best Publications

  • Dinosaur Tracks and Other Fossil Footprints of the Western United States

    Martin Lockley;Adrian P. Hunt

  • Tracking Dinosaurs: A New Look at an Ancient World

    Martin Lockley

  • Dinosaur tracks and traces

    A. A. Ekdale;David D. Gillette;Martin G. Lockley

  • New perspectives on morphological variation in tridactyl footprints: clues to widespread convergence in developmental dynamics

    Martin G. Lockley

  • The track record of Mesozoic birds: evidence and implications

    Martin G. Lockley;S. Y. Yang;Masaki Matsukawa;Farley Fleming

  • The fossil trackway Pteraichnus is pterosaurian, not crocodilian: Implications for the global distribution of pterosaur tracks

    Martin G. Lockley;Terrence J. Logue;Joaquin J. Moratalla;Adrian P. Hunt

  • Dinosaur-dominated footprint assemblages from the Cretaceous Jindong Formation, Hallyo Haesang National Park area, Goseong County, South Korea: Evidence and implications

    Martin G. Lockley;Karen Houck;Seong-Young Yang;Masaki Matsukawa

  • The first sauropod trackways from China

    M. Lockley;J. Wright;D. White;M. Matsukawa

  • North America's largest dinosaur trackway site: Implications for Morrison Formation paleoecology

    Martin G. Lockley;Karen J. Houck;Nancy K. Prince

  • A Diverse Dinosaur-Bird Footprint Assemblage from the Lance Formation, Upper Cretaceous, Eastern Wyoming: Implications for Ichnotaxonomy

    Martin G. Lockley;Gregory Nadon;Philip J. Currie

  • A Review of the Tetrapod Track Record in China, with Special Reference to Type Ichnospecies: Implications for Ichnotaxonomy and Paleobiology

    Martin G. Lockley;LI Jianjun;LI Rihui;Masaki Matsukawa

  • New pterosaur tracks (Pteraichnidae) from the Late Cretaceous Uhangri Formation, southwestern Korea

    Koo-Geun Hwang;Min Huh;Martin G. Lockley;David M. Unwin

  • The paleobiological and paleoenvironmental importance of dinosaur footprints

    Martin G. Lockley

  • Cretaceous terrestrial biotas of East Asia, with special reference to dinosaur-dominated ichnofaunas: towards a synthesis

    Masaki Matsukawa;Martin Lockley;Li Jianjun

  • Late Triassic dinosaursfrom the western United States

    Adrian P. Hunt;Spencer G. Lucas;Andrew B. Heckert;Robert M. Sullivan

  • The oldest record of webbed bird and pterosaur tracks from South Korea (Cretaceous Haman Formation, Changseon and Sinsu Islands): More evidence of high avian diversity in East Asia

    Jeong Yul Kim;Sam Hyang Kim;Kyung Soo Kim;Martin Lockley

  • Dinosaur footprints with skin impressions from the Cretaceous of Alberta and Colorado

    Philip J. Currie;Gregory C. Nadon;Martin G. Lockley

  • Titanosaurid trackways from the Upper Cretaceous of Bolivia: evidence for large manus, wide-gauge locomotion and gregarious behaviour

    Martin Lockley;Anne S. Schulp;Christian A. Meyer;Giuseppe Leonardi

  • Flamingo and duck-like bird tracks from the Late Cretaceous and Early Tertiary: evidence and implications

    Seong‐Young Yang;Martin G. Lockley;Rebecca Greben;Bruce R. Erickson

  • The vertebrate track record

    Martin G. Lockley

  • Dinosaur Tracks and Traces

    David D. Gillette;Martin G. Lockley

Frequent Co-Authors

Lida Xing
Lida Xing China University of Geosciences
Masaki Matsukawa
Masaki Matsukawa Tokyo Gakugei University
Spencer G. Lucas
Spencer G. Lucas New Mexico Museum of Natural History and Science
Xing Xu
Xing Xu Chinese Academy of Sciences
Philip J. Currie
Philip J. Currie University of Alberta
S. George Pemberton
S. George Pemberton University of Alberta
Michael J. Benton
Michael J. Benton University of Bristol
Curtis W. Marean
Curtis W. Marean Arizona State University
James O. Farlow
James O. Farlow Indiana University – Purdue University Fort Wayne
Andrew S. Cohen
Andrew S. Cohen University of Arizona

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