Cenozoic megatooth sharks occupied extremely high trophic positions

Trophic position is a fundamental characteristic of animals, yet it is unknown in many extinct species. In this study, we ground-truth the (15)N/(14)N ratio of enameloid-bound organic matter (δ(15)N(EB)) as a trophic level proxy by comparison to dentin collagen δ(15)N and apply this method to the fo...

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Detalles Bibliográficos
Autores principales: Kast, Emma R., Griffiths, Michael L., Kim, Sora L., Rao, Zixuan C., Shimada, Kenshu, Becker, Martin A., Maisch, Harry M., Eagle, Robert A., Clarke, Chelesia A., Neumann, Allison N., Karnes, Molly E., Lüdecke, Tina, Leichliter, Jennifer N., Martínez-García, Alfredo, Akhtar, Alliya A., Wang, Xingchen T., Haug, Gerald H., Sigman, Daniel M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2022
Materias:
Earth, Environmental, Ecological, and Space Sciences
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9217088/
https://www.ncbi.nlm.nih.gov/pubmed/35731884
http://dx.doi.org/10.1126/sciadv.abl6529

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