World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
56
Citations
14103
World Ranking
2368
National Ranking
989

Spencer G. Lucas 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 Spencer G. Lucas sits on this spectrum.

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 publications 603+

This scientist: 1,107 publications — 100th percentile

100% of scientists in this discipline score the same or lower.

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

Spencer G. Lucas 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 Spencer G. Lucas sits on this spectrum.

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: 56 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Overview

Spencer G. Lucas is affiliated with the New Mexico Museum of Natural History and Science in the United States. Their primary field of study is Earth and Planetary Sciences, with a focus on paleontology. They have authored 294 publications in this field, including significant contributions to subfields such as Paleontology, Nature and Landscape Conservation, Atmospheric Science, Earth-Surface Processes, and Ecology, Evolution, Behavior and Systematics.

The main topics covered in their work encompass Paleontology and Evolutionary Biology, Evolution and Paleontology Studies, Paleontology and Stratigraphy of Fossils, Geology and Paleoclimatology Research, Geological formations and processes, Ichthyology and Marine Biology, and Geological and Geochemical Analysis.

Spencer G. Lucas has published research papers in various academic journals and venues. Notable papers include:

  • The Late Triassic Extinction at the Norian/Rhaetian boundary: Biotic evidence and geochemical signature (2020, Earth-Science Reviews)
  • The Artinskian Warming Event: an Euramerican change in climate and the terrestrial biota during the early Permian (2022, Earth-Science Reviews)
  • Uplands, lowlands, and climate: Taphonomic megabiases and the apparent rise of a xeromorphic, drought-tolerant flora during the Pennsylvanian-Permian transition (2020, Palaeogeography Palaeoclimatology Palaeoecology)
  • The environmental implications of upper Paleozoic plant-fossil assemblages with mixtures of wetland and drought-tolerant taxa in tropical Pangea (2021, Geobios)
  • Transition from Late Jurassic rifting to middle Cretaceous dynamic foreland, southwestern U.S. and northwestern Mexico (2020, Geological Society of America Bulletin)

Frequent co-authors collaborating with Spencer G. Lucas include Adrian P. Hunt, Ashu Khosla, William A. DiMichele, Omkar Verma, and Hendrik Klein.

Key venues where they have published regularly include the Proceedings volume of the annual spring meeting, Geological Society London Special Publications, Historical Biology, Abstracts with programs - Geological Society of America, and New Mexico Geology.

Their book publications primarily appear through Springer Nature, Columbia University Press, and Dialética eBooks. Notable books include "Microbiota from the Late Cretaceous-Early Palaeocene Boundary Transition in the Deccan Intertrappean Beds of Central India" (2023), "Late Cretaceous Dinosaur Eggs and Eggshells of Peninsular India" (2020), "Dinosaurs" (2022), and "UFMG Pesquisa Egressos: volume II" (2024).

Best Publications

  • Assessing the record and causes of Late Triassic extinctions

    L.H. Tanner;S.G. Lucas;M.G. Chapman

  • Tetrapod Ichnofacies: A New Paradigm

    Adrian P. Hunt;Spencer G. Lucas

  • Late Paleozoic–early Mesozoic continental biostratigraphy — Links to the Standard Global Chronostratigraphic Scale

    Joerg W. Schneider;Joerg W. Schneider;Spencer G. Lucas;Frank Scholze;Sebastian Voigt

  • Adelobasileus from the Upper Triassic of West Texas: the oldest mammal

    Spencer G. Lucas;Zhexi Luo

  • Global Permian tetrapod biostratigraphy and biochronology

    Unknown

  • Stratigraphy, biostratigraphy and C-isotopes of the Permian–Triassic non-marine sequence at Dalongkou and Lucaogou, Xinjiang Province, China

    Ian Metcalfe;C B Foster;S.A. Afonin;Robert Nicoll

  • Late Triassic dinosaursfrom the western United States

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

  • A new aetosaur (Reptilia: Archosauria) from the Upper Triassic of Texas and the phylogeny of aetosaurs

    Andrew B. Heckert;Spencer G. Lucas

  • Alamosaurus and the sauropod hiatus in the Cretaceous of the North American Western Interior

    Spencer G. Lucas;Adrian P. Hunt

  • Triassic ammonoid biostratigraphy: an overview

    Unknown

  • Palaeoecology of an Early Permian playa lake trace fossil assemblage from Castle Peak, Texas, USA

    Nicholas J. Minter;Karl Krainer;Spencer G. Lucas;Simon J. Braddy

  • THE KIRTLANDIAN LAND-VERTEBRATE "AGE"—FAUNAL COMPOSITION, TEMPORAL POSITION AND BIOSTRATIGRAPHIC CORRELATION IN THE NONMARINE UPPER CRETACEOUS OF WESTERN NORTH AMERICA

    Robert M. Sullivan;Spencer G. Lucas

  • The Chuska erg: Paleogeomorphic and paleoclimatic implications of an Oligocene sand sea on the Colorado Plateau

    Steven M. Cather;Sean D. Connell;Richard M. Chamberlin;William C. McIntosh

  • Selachians from the Greenhorn Cyclothem ("Middle" Cretaceous: Cenomanian-Turonian), Black Mesa, Arizona, and the Paleogeographic Distribution of Late Cretaceous Selachians

    Thomas E. Williamson;James I. Kirkland;Spencer G. Lucas

  • Tetrapod footprints – their use in biostratigraphy and biochronology of the Triassic

    Hendrik Klein;Spencer G. Lucas

  • Tetrapod biostratigraphy and biochronology of the Triassic-Jurassic transition on the southern Colorado Plateau, USA

    Spencer G. Lucas;Lawrence H. Tanner

  • The Late Triassic timescale: Age and correlation of the Carnian–Norian boundary

    Unknown

  • A thin-shelled reptile from the Late Triassic of North America and the origin of the turtle shell

    Walter G Joyce;Spencer G Lucas;Torsten M Scheyer;Andrew B Heckert

  • Non-Marine Permian Biostratigraphy and Biochronology

    Spencer G. Lucas;Giuseppe Cassinis;Joerg W. Schneider

  • The nonmarine Triassic–Jurassic boundary in the Newark Supergroup of eastern North America

    S.G. Lucas;L.H. Tanner

  • Triassic temnospondyl biostratigraphy, biochronology and correlation of the German Buntsandstein and North American Moenkopi Formation

    Spencer G. Lucas;Rainer R. Schoch

  • Timing and magnitude of tetrapod extinctions across the Permo-Triassic boundary

    Spencer G. Lucas

  • SELACHIANS FROM THE GREENHORN CYCLOTHEM ("MIDDLE" CRETACEOUS: CENOMANIAN-TURONIAN),

    Thomas E. Williamson;James I. Kirkland;Spencer G. Lucas

Frequent Co-Authors

William A. DiMichele
William A. DiMichele Smithsonian Institution
Karl Krainer
Karl Krainer University of Innsbruck
Martin G. Lockley
Martin G. Lockley University of Colorado Denver
Guillermo E. Alvarado
Guillermo E. Alvarado University of Costa Rica
Howard J. Falcon-Lang
Howard J. Falcon-Lang Royal Holloway University of London
Hans Kerp
Hans Kerp University of Münster
Daniel Vachard
Daniel Vachard University of Lille
Cindy V. Looy
Cindy V. Looy University of California, Berkeley
John W. Geissman
John W. Geissman The University of Texas at Dallas
Shu-zhong Shen
Shu-zhong Shen Chinese Academy of Sciences

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