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July 29, 2024Proceedings of the National Academy of SciencesOpen Access

A nitrogen isotopic shift in fish otolith–bound organic matter during the Late Cretaceous

Zixuan C. Rao Jessica A. Lueders‐Dumont Gary L. Stringer Yeongjun Ryu Kewei Zhao Satish C. B. Myneni Sergey Oleynik Gerald H. Haug Alfredo Martínez‐García Daniel M. Sigman

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Abstract

The nitrogen isotopes of the organic matter preserved in fossil fish otoliths (ear stones) are a promising tool for reconstructing past environmental changes. We analyzed the

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Rao et al. (2024) studied this question.

synapsesocial.com/papers/68e5eb31b6db64358757f911 https://doi.org/10.1073/pnas.2322863121

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