World's Best Scientists 2026 revealed!
Marcello Guimarães Simões

Marcello Guimarães Simões

D-Index & Metrics

Earth Science

D-Index
35
Citations
3763
World Ranking
7754
National Ranking
45

Marcello Guimarães Simões 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 Marcello Guimarães Simões 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: 173 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Marcello Guimarães Simões 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 Marcello Guimarães Simões 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: 35 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Best Publications

  • The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway

    Lucas V. Warren;Fernanda Quaglio;Claudio Riccomini;Marcelo Simoes

  • Quantitative estimates of time-averaging in terebratulid brachiopod shell accumulations from a modern tropical shelf

    Monica Carroll;Monica Carroll;Michał Kowalewski;Marcello G. Simões;Glenn A. Goodfriend

  • ORIGIN AND EARLY DIVERSIFICATION OF THE PHYLUM CNIDARIA VERRILL: MAJOR DEVELOPMENTS IN THE ANALYSIS OF THE TAXON'S PROTEROZOIC-CAMBRIAN HISTORY

    Heyo Van Iten;Heyo Van Iten;Antonio C. Marques;Juliana de Moraes Leme;Mirian L. A. Forancelli Pacheco

  • Quantitative comparisons and models of time-averaging in bivalve and brachiopod shell accumulations

    Richard A. Krause;Susan L. Barbour;Michał Kowalewski;Darrell S. Kaufman

  • Mixed siliciclastic–carbonate sedimentation in an evolving epicontinental sea: Aptian record of marginal marine settings in the interior basins of north‐eastern Brazil

    Filipe G. Varejão;Filipe G. Varejão;Lucas V. Warren;Marcello G. Simões;Luis A. Buatois

  • Colonization of a ‘Lost World’: Encrustation Patterns in Modern Subtropical Brachiopod Assemblages

    David L. Rodland;Michal Kowalewski;Monica Carroll;Marcello G. Simões

  • The transgressive-regressive cycle of the Romualdo Formation (Araripe Basin): Sedimentary archive of the Early Cretaceous marine ingression in the interior of Northeast Brazil

    Michele Andriolli Custódio;Fernanda Quaglio;Lucas Veríssimo Warren;Marcello Guimarães Simões

  • Ediacaran discs from South America: probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean

    María Julia Arrouy;Lucas V. Warren;Fernanda Quaglio;Fernanda Quaglio;Daniel Gustavo Poiré

  • Shell Beds as paleoecological puzzles: A case study from the Upper Permian of the Paraná Basin, Brazil

    Marcello Guimarães Simões;Michal Kowalewski

  • Abundant Brachiopods on a Tropical, Upwelling-Influenced Shelf (Southeast Brazilian Bight, South Atlantic)

    Unknown

  • Towards an actualistic view of the Crato Konservat-Lagerstätte paleoenvironment: A new hypothesis as an Early Cretaceous (Aptian) equatorial and semi-arid wetland

    Alexandre Cunha Ribeiro;Guilherme Cunha Ribeiro;Filipe Giovanini Varejão;Filipe Giovanini Varejão;Leandro Dênis Battirola

  • EXCEPTIONAL PRESERVATION OF SOFT TISSUES BY MICROBIAL ENTOMBMENT: INSIGHTS INTO THE TAPHONOMY OF THE CRATO KONSERVAT-LAGERSTÄTTE

    Filipe G. Varejão;Lucas V. Warren;Marcello G. Simões;Franz T. Fürsich

  • The dawn of animal skeletogenesis: Ultrastructural analysis of the Ediacaran metazoan Corumbella werneri

    L.V. Warren;M.L.A.F. Pacheco;T.R. Fairchild;M.G. Simões

  • DRILL HOLES IN SHELLS OF PERMIAN BENTHIC INVERTEBRATES

    Unknown

  • The temporal resolution of epibiont assemblages : Are they ecological snapshots or overexposures?

    David L. Rodland;Michał Kowalewski;Michał Kowalewski;Monica Carroll;Monica Carroll;Marcello G. Simões;Marcello G. Simões

  • Stromatolites from the Aptian Crato Formation, a hypersaline lake system in the Araripe Basin, northeastern Brazil

    Lucas Veríssimo Warren;Filipe Giovanini Varejão;Fernanda Quaglio;Marcello Guimarães Simões

  • Paleoecology and evolution of Permian bivalve faunas (Paraná Basin) in Brazil

    M. G. Simões;A. C. Rocha-Campos;Luiz Eduardo Anelli

  • Fidelity of molluscan assemblages from the Touro Passo Formation (Pleistocene-Holocene), southern Brazil: Taphonomy as a tool for discovering natural baselines for freshwater communities

    Fernando Erthal;Carla B. Kotzian;Marcello G. Simões

  • Comments on paper by M. Arai "Aptian/Albian (Early Cretaceous) paleogeography of the South Atlantic: a paleontological perspective"

    Mario Luis Assine Assine;Fernanda Quaglio;Lucas Veríssimo Warren;Marcello Guimarães Simões

  • Analysis of a Cretaceous (late Aptian) high-stress ecosystem: The Romualdo Formation of the Araripe Basin, northeastern Brazil

    Franz T. Fürsich;Michele Andriolli Custódio;Suzana A. Matos;Manja Hethke

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