Palaeoecological differences underlie rare co-occurrence of Miocene European primates

Abstract Background The two main primate groups recorded throughout the European Miocene, hominoids and pliopithecoids, seldom co-occur. Due to both their rarity and insufficiently understood palaeoecology, it is currently unclear whether the infrequent co-occurrence of these groups is due to sampli...

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Main Authors: Daniel DeMiguel, Laura Domingo, Israel M. Sánchez, Isaac Casanovas-Vilar, Josep M. Robles, David M. Alba
Format: Article
Language:English
Published: BMC 2021-01-01
Series:BMC Biology
Subjects:
Online Access:https://doi.org/10.1186/s12915-020-00939-5
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author Daniel DeMiguel
Laura Domingo
Israel M. Sánchez
Isaac Casanovas-Vilar
Josep M. Robles
David M. Alba
author_facet Daniel DeMiguel
Laura Domingo
Israel M. Sánchez
Isaac Casanovas-Vilar
Josep M. Robles
David M. Alba
author_sort Daniel DeMiguel
collection DOAJ
description Abstract Background The two main primate groups recorded throughout the European Miocene, hominoids and pliopithecoids, seldom co-occur. Due to both their rarity and insufficiently understood palaeoecology, it is currently unclear whether the infrequent co-occurrence of these groups is due to sampling bias or reflects different ecological preferences. Here we rely on the densely sampled primate-bearing sequence of Abocador de Can Mata (ACM) in Spain to test whether turnovers in primate assemblages are correlated with palaeoenvironmental changes. We reconstruct dietary evolution through time (ca. 12.6–11.4 Ma), and hence climate and habitat, using tooth-wear patterns and carbon and oxygen isotope compositions of enamel of the ubiquitous musk-deer Micromeryx. Results Our results reveal that primate species composition is strongly correlated with distinct environmental phases. Large-bodied hominoids (dryopithecines) are recorded in humid, densely-forested environments on the lowermost portion of the ACM sequence. In contrast, pliopithecoids inhabited less humid, patchy ecosystems, being replaced by dryopithecines and the small-bodied Pliobates toward the top of the series in gallery forests embedded in mosaic environments. Conclusions These results support the view that pliopithecoid primates preferred less humid habitats than hominoids, and reveal that differences in behavioural ecology were the main factor underpinning their rare co-occurrence during the European Miocene. Our findings further support that ACM hominoids, like Miocene apes as a whole, inhabited more seasonal environments than extant apes. Finally, this study highlights the importance of high-resolution, local investigations to complement larger-scale analyses and illustrates that continuous and densely sampled fossiliferous sequences are essential for deciphering the complex interplay between biotic and abiotic factors that shaped past diversity.
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spelling doaj.art-edf6ba447a4440d5a3dc2bf9acf97dd22022-12-21T23:14:54ZengBMCBMC Biology1741-70072021-01-0119111510.1186/s12915-020-00939-5Palaeoecological differences underlie rare co-occurrence of Miocene European primatesDaniel DeMiguel0Laura Domingo1Israel M. Sánchez2Isaac Casanovas-Vilar3Josep M. Robles4David M. Alba5ARAID foundation / Universidad de Zaragoza, Departamento de Ciencias de la Tierra, and Instituto Universitario de Investigación en Ciencias Ambientales de Aragón (IUCA)Departamento de Geodinámica, Estratigrafía y Paleontología Facultad de Ciencias Geológicas, Universidad Complutense de MadridInstitut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICPInstitut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICPInstitut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICPInstitut Català de Paleontologia Miquel Crusafont, Universitat Autònoma de Barcelona, Edifici ICTA-ICPAbstract Background The two main primate groups recorded throughout the European Miocene, hominoids and pliopithecoids, seldom co-occur. Due to both their rarity and insufficiently understood palaeoecology, it is currently unclear whether the infrequent co-occurrence of these groups is due to sampling bias or reflects different ecological preferences. Here we rely on the densely sampled primate-bearing sequence of Abocador de Can Mata (ACM) in Spain to test whether turnovers in primate assemblages are correlated with palaeoenvironmental changes. We reconstruct dietary evolution through time (ca. 12.6–11.4 Ma), and hence climate and habitat, using tooth-wear patterns and carbon and oxygen isotope compositions of enamel of the ubiquitous musk-deer Micromeryx. Results Our results reveal that primate species composition is strongly correlated with distinct environmental phases. Large-bodied hominoids (dryopithecines) are recorded in humid, densely-forested environments on the lowermost portion of the ACM sequence. In contrast, pliopithecoids inhabited less humid, patchy ecosystems, being replaced by dryopithecines and the small-bodied Pliobates toward the top of the series in gallery forests embedded in mosaic environments. Conclusions These results support the view that pliopithecoid primates preferred less humid habitats than hominoids, and reveal that differences in behavioural ecology were the main factor underpinning their rare co-occurrence during the European Miocene. Our findings further support that ACM hominoids, like Miocene apes as a whole, inhabited more seasonal environments than extant apes. Finally, this study highlights the importance of high-resolution, local investigations to complement larger-scale analyses and illustrates that continuous and densely sampled fossiliferous sequences are essential for deciphering the complex interplay between biotic and abiotic factors that shaped past diversity.https://doi.org/10.1186/s12915-020-00939-5HominoidsPliopithecoidsPrimate evolution/adaptationPalaeodietStable isotopesTooth wear
spellingShingle Daniel DeMiguel
Laura Domingo
Israel M. Sánchez
Isaac Casanovas-Vilar
Josep M. Robles
David M. Alba
Palaeoecological differences underlie rare co-occurrence of Miocene European primates
BMC Biology
Hominoids
Pliopithecoids
Primate evolution/adaptation
Palaeodiet
Stable isotopes
Tooth wear
title Palaeoecological differences underlie rare co-occurrence of Miocene European primates
title_full Palaeoecological differences underlie rare co-occurrence of Miocene European primates
title_fullStr Palaeoecological differences underlie rare co-occurrence of Miocene European primates
title_full_unstemmed Palaeoecological differences underlie rare co-occurrence of Miocene European primates
title_short Palaeoecological differences underlie rare co-occurrence of Miocene European primates
title_sort palaeoecological differences underlie rare co occurrence of miocene european primates
topic Hominoids
Pliopithecoids
Primate evolution/adaptation
Palaeodiet
Stable isotopes
Tooth wear
url https://doi.org/10.1186/s12915-020-00939-5
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