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dc.contributor.author
Lee, Yuong Nam
dc.contributor.author
Lee, Hang Jae
dc.contributor.author
Kobayashi, Yoshitsugu
dc.contributor.author
Paulina Carabajal, Ariana
dc.contributor.author
Barsbold, Rinchen
dc.contributor.author
Fiorillo, Anthony R.
dc.contributor.author
Tsogtbaatar, Khishigjav
dc.date.available
2021-01-08T17:06:19Z
dc.date.issued
2019-11-01
dc.identifier.citation
Lee, Yuong Nam; Lee, Hang Jae; Kobayashi, Yoshitsugu; Paulina Carabajal, Ariana; Barsbold, Rinchen; et al.; Unusual locomotion behaviour preserved within a crocodyliform trackway from the Upper Cretaceous Bayanshiree Formation of Mongolia and its palaeobiological implications; Elsevier Science; Palaeogeography, Palaeoclimatology, Palaeoecology; 533; 1-11-2019; 1-10; 109239
dc.identifier.issn
0031-0182
dc.identifier.uri
http://hdl.handle.net/11336/121962
dc.description.abstract
Crocodyliform tracks are reported from the Upper Cretaceous (?Cenomanian-Santonian) Bayanshiree Formation in southeastern Mongolia. Ten tracks are preserved as natural casts, forming a trackway with a quadrupedal gait pattern with a tail trail. All tracks are short and wide, and dominated by toe traces without plantar impressions. Pes tracks are characterized by four deep claw impressions and push-back marks behind them. Manus tracks have shallow claw marks and long, sub-parallel scratch marks behind. The preferential association of the scratch marks with only the distal digit impressions and irregular pattern of footfalls suggests that this trackway was made by a bottom walking and punting crocodyliform under water. This trackway represents the first crocodyliform “swim tracks” in the Late Cretaceous of Asia and the first evidence for punting behaviour of a fossil crocodyliform. The “swim tracks” can be divided into two categories such as bottom walking tracks with punting for moving somewhat more quickly and subaqueous walking tracks without punting to be associated with slower underwater speeds. The tracks show that crocodylians had adopted a bottom walking behaviour similar to extant crocodylians by Cretaceous times.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BOTTOM WALKING
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PARALLIGATOR
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PUNTING
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SWIM TRACKS
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Paleontología
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Unusual locomotion behaviour preserved within a crocodyliform trackway from the Upper Cretaceous Bayanshiree Formation of Mongolia and its palaeobiological implications
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-19T22:56:09Z
dc.identifier.eissn
1872-616X
dc.journal.volume
533
dc.journal.pagination
1-10; 109239
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Lee, Yuong Nam. Seoul National University; Corea del Sur
dc.description.fil
Fil: Lee, Hang Jae. Geological Museum. Korea Institute of Geoscience and Mineral Resources; Corea del Sur
dc.description.fil
Fil: Kobayashi, Yoshitsugu. Hokkaido University; Japón
dc.description.fil
Fil: Paulina Carabajal, Ariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
dc.description.fil
Fil: Barsbold, Rinchen. Mongolian Academy of Sciences. Institute of Paleontology and Geology; Mongolia
dc.description.fil
Fil: Fiorillo, Anthony R.. Perot Museum of Nature and Science; Estados Unidos
dc.description.fil
Fil: Tsogtbaatar, Khishigjav. Mongolian Academy of Sciences. Institute of Paleontology and Geology; Mongolia
dc.journal.title
Palaeogeography, Palaeoclimatology, Palaeoecology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0031018219301506
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.palaeo.2019.109239
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