2025 Corporate Members of the International Palaeontological Association
| Nation or specialty | Organization |
| USA | Paleontological Society |
| International | International Research Group on Ostracoda (IRGO) |
| Brazil | Sociedade Brasileira de Paleontologia |
| Switzerland | Société de Paléontologie Suisse |
| Argentina | Asociación Paleontológica Argentina |
Organizations that have participated as Corporate Members in past years
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China Palaeontological Society of China
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New Zealand Royal Society of New Zealand
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Czech Republic Geological Institute AS CR
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Poland Polish Section of Palaeontologists
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France Association Paléontologique Française
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Spain Sociedad Española de Paleontología
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France The staff of Carnets de Géologie-Notebooks on Geology
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Switzerland Société Paléontologique Suisse
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India Palaeontological Society of India
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United Kingdom Micropalaeontological Society
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Iran Iranian Paleontological Society
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United Kingdom The Palaeontological Association
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IRGO International Research Group on Ostracoda
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USA Paleobotanical Section of the Botanical Society of America
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Italy Societa Palaeontologica Italiana
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USA The Paleontological Society
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Japan Palaeontological Society of Japan
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USA The Paleontological Society of Washington
