ArticleProceedings of the National Academy of Sciences of the United States of America2018
Multiproxy evidence for leaf-browsing and closed habitats in extinct proboscideans (Mammalia, Proboscidea) from Central Chile.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 46 citations in OpenAlex.
- Testing the Dry Refuge Model: Paleoecological Insights From Late Pleistocene Gomphotheres in Ecuador.Ecology and evolution · 2026Article
- A glimpse into a vanished ecosystem: reconstructing diet and palaeoenvironment ofRoyal Society open science · 2025Article
- Fossil evidence of proboscidean frugivory and its lasting impact on South American ecosystems.Nature ecology & evolution · 2025Article
- The late-Quaternary megafauna extinctions: Patterns, causes, ecological consequences and implications for ecosystem management in the Anthropocene.Cambridge prisms. Extinction · 2024Review
- Neolithic dental calculi provide evidence for environmental proxies and consumption of wild edible fruits and herbs in central Apennines.Communications biology · 2022Article
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Authors and funding
13 authors at 6 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Proboscideans are so-called ecosystem engineers and are considered key players in hypotheses about Late Pleistocene megafaunal extinctions. However, knowledge about the autoecology and chronology of the proboscideans in South America is still open to debate and raises controversial views. Here, we used a range of multiproxy approaches and new radiocarbon datings to study the autoecology of Chilean gomphotheres, the only group of proboscideans to reach South America during the Great American Biotic Interchange (∼3.1 to 2.7 million years before present). As part of this study, we analyzed stable isotopes, dental microwear, and dental calculus microfossils on gomphothere molars from 30 Late Pleistocene sites (31° to 42°S). These proxies provided different scales of temporal resolution, which were then combined to assess the dietary and habitat patterns of these proboscideans. The multiproxy study suggests that most foraging took place in relatively closed environments. In Central Chile, there is a positive correlation between lower δ
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