Organic periostracum preserved in Cretaceous ammonoids from the Andean Neuquén Basin
Abstract Exceptionally preserved 135-million-year-old ammonoids from the Neuquén Basin at the Andean foothills revealed a fossilised structure never recorded before. Ammonoids are cephalopods that inhabited the oceans for about 400 million years until they became extinct 66 million years ago. Their...
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| Автори: | , , , , , , , , , |
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| Формат: | Artigo |
| Мова: | Inglês |
| Опубліковано: |
Nature Portfolio
2026-02-01
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| Серія: | Communications Biology |
| Онлайн доступ: | https://doi.org/10.1038/s42003-026-09635-6 |
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