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dc.contributor.author
Muñoz, Nahuel Antu
dc.contributor.author
Cassini, Guillermo Hernán
dc.contributor.author
Candela, Adriana Magdalena
dc.contributor.author
Vizcaíno, Sergio Fabián
dc.date.available
2018-08-21T19:55:26Z
dc.date.issued
2017-02
dc.identifier.citation
Muñoz, Nahuel Antu; Cassini, Guillermo Hernán; Candela, Adriana Magdalena; Vizcaíno, Sergio Fabián; Ulnar articular surface 3-D landmarks and ecomorphology of small mammals: A case study of two early Miocene typotheres (Notoungulata) from Patagonia; Royal Society of Edinburgh; Earth and Environmental Science Transactions of the Royal Society of Edinburgh; 106; 4; 2-2017; 315-323
dc.identifier.issn
1755-6910
dc.identifier.uri
http://hdl.handle.net/11336/56433
dc.description.abstract
Articular surfaces reflect the relative movements between adjacent bones, and the ones involved in the elbow joint provide information about forelimb movements and may be useful for making inferences about the substrate use. The proximal articular surface of the ulna was examined through 3-D geometric morphometrics, in order to assess its usefulness as a proxy for paleoecological interpretations; particularly for two small mammals from the early Miocene of Patagonia. The sample was composed of 22 extant small mammals (rodents, carnivorans and primates) and two extinct typotheres: Hegetotherium mirabile (Hegetotheriidae) and Interatherium robustum (Interatheriidae). Forty-five landmarks were taken and principal component analysis (PCA) was used to explore the morphospace structure. The results of PCA for the whole surface were inconclusive; therefore, successive analyses were made, subdividing the surface into sub-units. The PCA for the proximal part of the trochlear notch was the most informative, allowing the recognition of morphospaces with functional value: one for digging rodents and another for most climbers. Neither typothere would have had a specialisation for climbing or digging in the features analysed. This study allows morphological patterns on different parts of a joint to be detected; interpreted, at least partially, as differential responses to different kinds of mechanical stress.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society of Edinburgh
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Functional Morphology
dc.subject
Geometric Morphometrics
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Palaeobiology
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Substrate Use
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Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Ulnar articular surface 3-D landmarks and ecomorphology of small mammals: A case study of two early Miocene typotheres (Notoungulata) from Patagonia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-08-21T18:38:34Z
dc.journal.volume
106
dc.journal.number
4
dc.journal.pagination
315-323
dc.journal.pais
Reino Unido
dc.journal.ciudad
Edinburgo
dc.description.fil
Fil: Muñoz, Nahuel Antu. 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: Cassini, Guillermo Hernán. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”; Argentina
dc.description.fil
Fil: Candela, Adriana Magdalena. 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: Vizcaíno, Sergio Fabián. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Earth and Environmental Science Transactions of the Royal Society of Edinburgh
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1017/S1755691016000141
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh/article/ulnar-articular-surface-3d-landmarks-and-ecomorphology-of-small-mammals-a-case-study-of-two-early-miocene-typotheres-notoungulata-from-patagonia/5730B530696031F187427B48126DCEB9
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