Environmental Change and Body Size Evolution in Neogene Large Mammals

Shan Huang, Alison Eyres, Susanne A. Fritz, Jussi T. Eronen, Juha Saarinen*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Abstract

Body size is an overarching trait of taxa, related to virtually all aspects of their life history and their relationships with the environment. In this chapter, we use the NOW data to summarize body size evolution of terrestrial mammals during the Neogene. We first present a new method for estimating body size of Proboscidea and show consistent trends of increasing sizes through time across Eurasia and Africa with the resulting new dataset. Both continental trends tracked global warming and cooling events and suggested selection of larger sizes driven by the effects of harshening terrestrial environments. We then use a combined dataset of five mammalian orders to show that large herbivorous mammals increased in body size through time in North America but maintained earlier sizes in Europe. This continental difference reflects the more stable Neogene biome distribution in Europe and highlights the importance of biogeographic approaches for understanding body size evolution.
Original languageEnglish
Title of host publicationEvolution of Cenozoic Land Mammal Faunas and Ecosystems
Subtitle of host publication25 Years of the NOW Database of Fossil Mammals
EditorsIsaac Casanovas-Vilar, Lars W. van den Hoek Ostende, Christine M. Janis, Juha Saarinen
PublisherSpringer
Pages79–93
Number of pages15
Edition1
ISBN (Electronic)9783031174919
ISBN (Print)9783031174902, 9783031174933
DOIs
Publication statusPublished - 9 Aug 2023

Publication series

NameVertebrate Paleobiology and Paleoanthropology
PublisherSpringer
ISSN (Print)1877-9077
ISSN (Electronic)1877-9085

Bibliographical note

Acknowledgments:
We wish to thank the NOW community for making this work possible. JS thanks several museums for aiding in the data collection for proboscidean body mass and diet estimates by providing access to their collections, including the Natural History Museum of London, UK (NHMUK), National Museums of Kenya, Nairobi, Kenya (KNM), Museum für Naturkunde, Berlin (MNB), and Staatliches Museum für Naturkunde, Stuttgart (SMNS), Germany, Muséum National d’Histoire Naturelle, Paris, France (MNHN), and Naturhistorisches Museum Wien, Austria (NMW). Special thanks go to curators and collection managers Pip Brewer (NHMUK), Job Kibii and Kyalo Manthi (KNM), Oliver Hampe and Thomas Schossleitner (MNB), Reinhard Ziegler (SMNS), Gillaume Billet (MNHN) and Ursula Göhlich (NMW). We wish to acknowledge several funding sources who supported this work: German Research Foundation (DFG, HU 2748/1-1) for SH, Academy of Finland (projects nr. 315691 and 340775) for JS, Leibniz Association (Leibniz competition P52/2017) for SAF, and Kone Foundation and Academy of Finland’s project number 338558 for JTE. We thank the editor Lars van den Hoek Ostende and the reviewers David Polly and Lars van den Hoek Ostende for their constructive comments that helped us improve this work.

Keywords

  • Africa
  • Body Mass
  • Body Size Estimation
  • Diet
  • Ecological Diversity
  • Environmental Change
  • Paleobiogeography
  • Proboscidea

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