| 1 | 🇺🇸 United States | 140 | 77 | 27.1% | Erwin, Douglas H. #7,627 | Smithsonian National Museum of Natural History |
| 2 | 🇬🇧 United Kingdom | 101 | 59 | 19.6% | Bronk Ramsey, Christopher #1,215 | University College London |
| 3 | 🇩🇪 Germany | 42 | 13 | 8.1% | Kiessling, Wolfgang #23,382 | Christian-Albrechts-Universität zu Kiel |
| 4 | 🇨🇳 China | 40 | 17 | 7.8% | Cheng, Hai J. #5,314 | Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences |
| 5 | 🇫🇷 France | 25 | 6 | 4.8% | Bard, Édouard K. #33,413 | CNRS Centre National de la Recherche Scientifique |
| 6 | 🇦🇺 Australia | 19 | 10 | 3.7% | Rohling, Eelco J. #12,976 | The Australian National University |
| 7 | 🇮🇹 Italy | 17 | 2 | 3.3% | Erba, Elisabetta #40,732 | Sapienza Università di Roma |
| 8 | 🇨🇦 Canada | 16 | 8 | 3.1% | Clague, John Joseph #21,484 | University of Saskatchewan |
| 9 | 🇳🇱 Netherlands | 11 | 6 | 2.1% | Vandenberghe, J. #20,616 | Universiteit Utrecht |
| 10 | 🇳🇴 Norway | 10 | 7 | 1.9% | Hammer, Øyvind S. #19,748 | Universitetet i Bergen |
| 11 | 🇨🇭 Switzerland | 10 | 5 | 1.9% | Heiri, Oliver #58,044 | ETH Zürich |
| 12 | 🇵🇱 Poland | 9 | 2 | 1.7% | Tarkowski, R. #7,713 | Mineral and Energy Economy Research Institute of the Polish Academy of Sciences |
| 13 | 🇦🇷 Argentina | 9 | 3 | 1.7% | Ezcurra, Martín Daniel #23,823 | CONICET−Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” |
| 14 | 🇪🇸 Spain | 9 | 1 | 1.7% | Rull, Valentí #58,714 | Consejo Superior de Investigaciones Científicas |
| 15 | 🇸🇪 Sweden | 9 | 2 | 1.7% | McLoughlin, Stephen #79,656 | Naturhistoriska riksmuseet |
| 16 | 🇿🇦 South Africa | 7 | 2 | 1.4% | Meadows, Michael E. #34,480 | University of the Witwatersrand, Johannesburg |
| 17 | 🇩🇰 Denmark | 4 | 3 | 0.8% | Murray, Andrew S. #24,242 | Aarhus Universitet |
| 18 | 🇧🇷 Brazil | 4 | 3 | 0.8% | Kellner, Alexander W.A. #44,292 | Universidade Federal do Rio de Janeiro |
| 19 | 🇯🇵 Japan | 4 | 2 | 0.8% | Kaiho, Kunio #68,541 | The University of Tokyo |
| 20 | 🇦🇹 Austria | 4 | 1 | 0.8% | Spótl, Christoph #86,575 | Universität Wien |
| 21 | 🇧🇪 Belgium | 4 | 0 | 0.8% | Yin, Qiuzhen #122,696 | UCLouvain |
| 22 | 🇫🇮 Finland | 4 | 0 | 0.8% | Fortelius, Mikael #142,278 | Luonnontieteellinen Keskusmuseo |
| 23 | 🇪🇪 Estonia | 2 | 1 | 0.4% | Sugita, Shinya #36,545 | Institute of Ecology, Tallinn |
| 24 | 🇳🇿 New Zealand | 2 | 1 | 0.4% | Gregory, Murray R. #60,867 | University of Auckland |
| 25 | 🇷🇺 Russia | 2 | 1 | 0.4% | Ruban, Dmitry Aleksandrovitch #74,645 | Southern Federal University |
| 26 | 🇲🇹 Malta | 2 | 0 | 0.4% | Scerri, Eleanor M.L. #112,037 | L-Università ta' Malta |
| 27 | 🇭🇰 Hong Kong | 2 | 0 | 0.4% | Liu, Kambiu #124,603 | Chinese University of Hong Kong |
| 28 | 🇸🇬 Singapore | 1 | 1 | 0.2% | Horton, Benjamin Peter #47,724 | Earth Observatory of Singapore |
| 29 | 🇮🇪 Ireland | 1 | 1 | 0.2% | McElwain, Jennifer C. #54,346 | Trinity College Dublin |
| 30 | 🇪🇹 Ethiopia | 1 | 0 | 0.2% | Geraads, Denis #110,545 | Italo-Spanish Archaeological Mission at Melka Kunture and Balchit |
| 31 | 🇭🇺 Hungary | 1 | 0 | 0.2% | Ó́si, Attila #132,017 | Eötvös Loránd Tudományegyetem |
| 32 | 🇷🇸 Serbia | 1 | 0 | 0.2% | Marković, Slobodan B. #204,697 | University of Novi Sad |
| 33 | 🇱🇧 Lebanon | 1 | 0 | 0.2% | Azar, Dany #230,197 | Université Libanaise |
| 34 | 🇸🇰 Slovakia | 1 | 0 | 0.2% | Cernanský, Andrej #256,889 | Univerzita Komenského v Bratislave |
| 35 | 🇺🇦 Ukraine | 1 | 0 | 0.2% | Perkovsky, Evgeny E. #687,229 | I.I. Schmalhausen Institute of Zoology of National Academy of Sciences of Ukraine |