World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
32
Citations
5271
World Ranking
2088
National Ranking
595

William A. Shear publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where William A. Shear sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 159 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

William A. Shear D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where William A. Shear sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 32 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

William A. Shear is affiliated with the American Museum of Natural History in the United States. Their research primarily focuses on subterranean biodiversity and taxonomy, with significant contributions to related fields including spider taxonomy and behavior studies, insect and arachnid ecology and behavior, lepidoptera biology and taxonomy, species distribution and climate change, amphibian and reptile biology, and invertebrate taxonomy and ecology.

Their work spans multiple disciplines within biochemistry, genetics, molecular biology, and earth and planetary sciences. Specifically, the main fields of study encompass:

  • Biochemistry, Genetics and Molecular Biology
  • Earth and Planetary Sciences

Within these fields, key subfields include:

  • Genetics
  • Paleontology
  • Ecology, Evolution, Behavior and Systematics
  • Global and Planetary Change
  • Ecology

William A. Shear has published extensively on the following topics:

  • Subterranean biodiversity and taxonomy
  • Spider Taxonomy and Behavior Studies
  • Insect and Arachnid Ecology and Behavior
  • Lepidoptera: Biology and Taxonomy
  • Species Distribution and Climate Change
  • Amphibian and Reptile Biology
  • Invertebrate Taxonomy and Ecology

Their frequent co-authors include Paul E. Marek, J. Judson Wynne, Francis G. Howarth, Stefano Mammola, and Rodrigo Lopes Ferreira.

William A. Shear has contributed to publications across several venues, most notably:

  • Zootaxa
  • Global Biodiversity Information Facility
  • Conservation Letters
  • Science
  • Scientific Reports

Recent published works by William A. Shear provide insight into their focus on taxonomy and biodiversity. These include:

  • The millipede family Striariidae Bollman, 1893. VI. Six new genera and thirteen new species from western North America (Diplopoda, Chordeumatida, Striarioidea), 2022, Zootaxa
  • Recovery of the family status of Pericambalidae Silvestri, 1909, stat. nov. (Diplopoda: Spirostreptida: Cambalidea), with a revision of the genera and species from China, 2023, Invertebrate Systematics
  • A conservation roadmap for the subterranean biome, 2021, Conservation Letters
  • Brazilian cave heritage under siege, 2022, Science
  • The first true millipede-1306 legs long, 2021, Scientific Reports

Best Publications

  • Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness

    Zhi-Qiang Zhang;John Na Hooper;Rob Wm Van Soest;Andrzej Pisera

  • The ecology of Paleozoic terrestrial arthropods: the fossil evidence

    William A. Shear;Jarmila Kukalová-Peck

  • Early Land Animals in North America: Evidence from Devonian Age Arthropods from Gilboa, New York

    William A. Shear;Patricia M. Bonamo;James D. Grierson;W. D. Ian Rolfe

  • Molecular evidence for the gnathobasic derivation of arthropod mandibles and for the appendicular origin of the labrum and other structures

    Aleksandar Popadić;Grace Panganiban;Douglas Rusch;William A. Shear

  • The geological record and phylogeny of the Myriapoda

    William A. Shear;Gregory D. Edgecombe

  • A Devonian Spinneret: Early Evidence of Spiders and Silk Use

    William A. Shear;Jacqueline M. Palmer;Jonathan A. Coddington;Patricia M. Bonamo

  • The chemical defenses of millipedes (diplopoda): Biochemistry, physiology and ecology

    William A. Shear

  • Linnaeus Tercentenary: Progress in Invertebrate Taxonomy

    Zhi-Qiang Zhang;William A. Shear

  • Fossil evidence for the origin of spider spinnerets, and a proposed arachnid order.

    Paul A. Selden;William A. Shear;Mark D. Sutton

  • 3 Rustling in the Undergrowth: Animals in Early Terrestrial Ecosystems

    William A. Shear;Paul A. Selden

  • Fossils of large terrestrial arthropods from the Lower Devonian of Canada

    William A. Shear;Patricia G. Gensel;Andrew J. Jeram

  • Millipede phylogeny revisited in the light of the enigmatic order Siphoniulida

    P. Sierwald;W. A. Shear;R. M. Shelley;J. E. Bond

  • A conservation roadmap for the subterranean biome

    J. Judson Wynne;Francis G. Howarth;Stefano Mammola;Stefano Mammola;Rodrigo Lopes Ferreira

  • A terrestrial alicorhagiid mite (Acari: Acariformes) from the Devonian of New York

    John B. Kethley;Roy A. Norton;Patricia M. Bonamo;William A. Shear

  • The millipede family Conotylidae in northwestern North America, with a complete bibliography of the family (Diplopoda, Chordeumatida, Heterochordeumatidea, Conotyloidea)

    William A. Shear;Casey H. Richart;Victoria L. Wong

  • The harvestman genus Taracus Simon 1879, and the new genus Oskoron (Opiliones: Ischyropsalidoidea: Taracidae)

    William A. Shear;Joseph G. Warfel

  • Cretaceous arachnid Chimerarachne yingi gen. et sp. nov. illuminates spider origins.

    Bo Wang;Jason A. Dunlop;Paul A. Selden;Paul A. Selden;Russell J. Garwood;Russell J. Garwood

  • Three new genera and eighteen new species of miniature polydesmid millipedes from the northwestern United States (Diplopoda, Polydesmida, Polydesmidae).

    William A. Shear;Paul E. Marek

  • Urochordeumatidae Silvestri, 1909, a millipede family endemic to Washington State, USA (Chordeumatida, Striariidea, Striarioidea).

    William A. Shear;Paul E. Marek

  • The millipede family Striariidae Bollman, 1893: I. Introduction to the family, synonymy of Vaferaria Causey with Amplaria Chamberlin, the new subfamily Trisariinae, the new genus Trisaria, and three new species (Diplopoda, Chordeumatida, Striarioidea).

    William A Shear

  • The millipede family Striariidae Bollman, 1893. II. New records and species of the genus Amplaria Chamberlin, 1941 (Diplopoda, Chordeumatida, Striarioidea).

    William A. Shear

  • Step-wise evolution of complex chemical defenses in millipedes: a phylogenomic approach

    Juanita Rodriguez;Tappey H. Jones;Petra Sierwald;Paul E. Marek

  • The first paleozoic pseudoscorpions (Arachnida, Pseudoscorpionida)

    Wolfgang Schawaller;William A. Shear;Patricia M. Bonamo

  • Class Diplopoda de Blainville in Gervais, 1844. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness

    William Shear

  • A redescription of the leggiest animal, the millipede Illacme plenipes, with notes on its natural history and biogeography (Diplopoda, Siphonophorida, Siphonorhinidae).

    Paul E. Marek;William A. Shear;Jason E. Bond

Frequent Co-Authors

Paul A. Selden
Paul A. Selden University of Kansas
Roy A. Norton
Roy A. Norton SUNY College of Environmental Science and Forestry
Thomas Pape
Thomas Pape University of Copenhagen
David B. Wake
David B. Wake University of California, Berkeley
Stefano Mammola
Stefano Mammola National Research Council (CNR)
Gilberto J. de Moraes
Gilberto J. de Moraes Universidade de São Paulo
Shane T. Ahyong
Shane T. Ahyong Australian Museum
Hans Klompen
Hans Klompen The Ohio State University
D. Christopher Rogers
D. Christopher Rogers Northeastern State University
Adriano B. Kury
Adriano B. Kury Federal University of Rio de Janeiro

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Related Online Degrees & Career Pathways

For students interested in Animal Science and Veterinary studies, exploring related online degrees can expand career opportunities in animal health and welfare. Programs such as the apa accredited psyd programs offer pathways into animal behavior research and psychology, which are critical for understanding animal interactions and improving treatment approaches.

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For those pursuing family and community support, the best online mft programs provide essential knowledge on human dynamics that often align with veterinary social work and animal welfare advocacy roles.

Advanced professionals can consider degrees like the online phd counselor education and supervision to prepare for leadership and supervisory positions in veterinary behavioral medicine, enhancing animal care standards through education and research.

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