Paleoecology, Evolution, Biogeography and Systematics of Quaternary Ground Sloths

A special issue of Quaternary (ISSN 2571-550X).

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2938

Special Issue Editors


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Guest Editor
Bureau of Land Management (Retired), Colorado State Office, 2850 Youngfield Street, Lakewood, CO 80215, USA
Interests: evolution; systematics; taxonomy; mammals; biodiversity; ecology and evolution; climate change; geology; computed tomography; stratigraphy
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Laboratorio de Arqueozoología, Subdirección de Laboratorios y Apoyo Académico, I.N.A.H., Moneda 16, Col. Centro, Ciudad de México 06060, Mexico
Interests: mammals; climate change; evolution; biodiversity; ecology and evolution; conservation; conservation biology; ecology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As the title of the volume “Paleoecology, Evolution, Biogeography and Systematics of Quaternary Ground Sloths” indicates, there are only two constraints on the articles submitted, i.e., that the primary taxonomic unit is on an extinct sloth and that it is a taxon from the Quaternary. Within those two parameters, articles that address any aspect of sloth paleoecology using any approach such as stable isotopes, evolutionary aspects of the sloth, distribution and biogeography, and possible causes of extinction of sloths at the end of the Pleistocene are welcome. While broader taxonomic relationships may be addressed, we do not anticipate including the description of new sloth taxa as that may be better addressed in other journals, although functional anatomy as related to the sloth’s ecology is welcome. Information on Quaternary sloths based on trace fossils such as tracks and coprolites is also welcome in the volume. Articles may be narrowly focused on a taxon or locality and may be the first time a specimen or sloth locality is described, or it may be a broader synthesis on one of the above topics as it is applicable to a specific sloth taxon. A diversity of approaches is welcome, and it is hoped that geographically, we can cover all regions from which Quaternary sloths are known.

Thank you for your interest in this volume, and I look forward to seeing your submission.

Dr. H. Gregory McDonald 
Dr. Joaquín Arroyo-Cabrales
Guest Editors

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Keywords

  • paleoecology
  • stable isotopes
  • extinction
  • biogeography
  • paleoclimate
  • morphology
  • trace fossils

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Published Papers (1 paper)

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Research

16 pages, 10511 KiB  
Article
Late Pleistocene Paramylodon harlani (Xenarthra, Mylodontidae) from Térapa, Sonora, Mexico
by H. Gregory McDonald, Jim I. Mead and Sandra L. Swift
Quaternary 2023, 6(2), 31; https://doi.org/10.3390/quat6020031 - 7 May 2023
Viewed by 2217
Abstract
While the North American mylodont sloth, Parmylodon harlani, has been identified in multiple localities in Mexico, most of these records are from the southern part of the country. Consequently, there is a large geographic gap between its distribution in Mexico and the [...] Read more.
While the North American mylodont sloth, Parmylodon harlani, has been identified in multiple localities in Mexico, most of these records are from the southern part of the country. Consequently, there is a large geographic gap between its distribution in Mexico and the more northern records of the species in the United States. The recovery of the remains of multiple individuals of Paramylodon harlani, as part of a late Pleistocene fauna in San Clemente de Térapa, Sonora, Mexico, partially fills this geographic gap and provides a broader understanding of the differences in the species’ ecology over a wide latitudinal range. A comparison of the paleoecology of the Térapa site with other sites with P. harlani in the fauna to the south and north provides valuable information on how regional topography and different plant communities impact the sloth’s distribution and underlying causes for its extinction. Full article
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