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dc.contributor.author
Toledo, Néstor
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dc.contributor.author
Arregui, Mariano Germán
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dc.date.available
2023-04-26T18:56:13Z
dc.date.issued
2022-02
dc.identifier.citation
Toledo, Néstor; Arregui, Mariano Germán; Concurrent evidence from ichnology and anatomy: the scelidotheriine ground sloths (Xenarthra, Folivora) from the Pleistocene of Argentina; Taylor & Francis; Historical Biology; 35; 2; 2-2022; 284-292
dc.identifier.issn
0891-2963
dc.identifier.uri
http://hdl.handle.net/11336/195531
dc.description.abstract
In the fossil record of South America, both ground sloths and their tracks are well known. However, most tracks described were assignable to megatherians and mylodontids, while tracks assignable to scelidotheriines show a very scarce record. In this contribution, we present new records of fossil tracks assignable to scelidotheriines and review and expand the original description of the ichnotaxon Acugnaichnum dorregoensis. In addition, we explored the correlation between track features and limb morphology, finding that the tracks can help to better understand the posture and function of scelidotheriine limbs. Features of the handprint suggest that these ground sloths would not rest hands in the substrate by its palmar aspect, but on the knuckles or its lateral aspect, similar to the extant giant and lesser anteaters. Concerning the foot tracks, their features indicate that digits V and IV rested on the substrate in a different orientation than the digit III, whose large ungual phalanx provided additional support by resting of its lateral side, which is biomechanically coherent with the stability of the foot. In addition, some kind of soft tissue cushion would be present below the main arch of the foot. Evidence for locomotion style and bipedalism is discussed.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AUTOPODIA
dc.subject
FOOTPRINTS
dc.subject
FOSSIL TRACKS
dc.subject
ICHNOFOSSIL
dc.subject
PILOSA
dc.subject
SCELIDOTHERE
dc.subject.classification
Paleontología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Concurrent evidence from ichnology and anatomy: the scelidotheriine ground sloths (Xenarthra, Folivora) from the Pleistocene of Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-04-26T14:48:15Z
dc.identifier.eissn
1029-2381
dc.journal.volume
35
dc.journal.number
2
dc.journal.pagination
284-292
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Toledo, Néstor. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Arregui, Mariano Germán. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Historical Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/08912963.2022.2035379
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/08912963.2022.2035379
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