Artículo

Heredia, A.M.; Pazos, P.J.; Fernández, D.E.; Díaz-Martínez, I.; Comerio, M."A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina" (2019) Cretaceous Research. 96:70-82
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Abstract:

Dinosaurs are extremely abundant in the Upper Cretaceous Neuquén Group of the Neuquén Basin (Argentina). Nevertheless, while osteological remains are rich the ichnological record is more restricted. A new sauropod dinosaur trackway with five manus-pes imprint sets discovered in the Cenomanian Candeleros Formation is described here. The trackway belongs to the narrow-gauge type that is identified for the first time in the Cenomanian and possibly for the Late Cretaceous. It is preserved as concave epirelief in fine-grained sandstones from floodplain deposits. The tracks, which are large in size (average length of 98 cm), include conspicuous rims with very well-preserved symmetrical ripples on top that are documented for the first time in the track record. Due to their preservation and the absence of clear anatomical details, the trackway was not assigned to any particular ichnotaxon. Taking into account the presence of rebbachisaurid diplodocoid remains in the Candeleros Formation, the classical association of narrow-gauge trackways with diplodocoids and the inferred gleno-acetabular distance, it is suggested that the studied trackway might belong to a large-sized rebbachisaurid. The worldwide record of Cenomanian dinosaur tracks includes only a few records of sauropod tracks. Thus, this new finding contributes to increase the knowledge about the early Late Cretaceous sauropods and their tracks. © 2018 Elsevier Ltd

Registro:

Documento: Artículo
Título:A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina
Autor:Heredia, A.M.; Pazos, P.J.; Fernández, D.E.; Díaz-Martínez, I.; Comerio, M.
Filiación:Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ciencias Geológicas, Buenos Aires, Argentina
CONICET - Universidad de Buenos Aires, Instituto de Estudios Andinos Don Pablo Groeber (IDEAN), Buenos Aires, Argentina
CONICET - Universidad Nacional de Río Negro, Instituto de Investigación en Paleobiología y Geología (IIPG), General Roca, Río Negro, Argentina
Centro de Tecnología de Recursos Minerales y Cerámica (CETMIC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
Palabras clave:Narrow-gauge trackway; Neuquén Basin; Rebbachisauridae; Sauropod footprints; Upper Cretaceous; Cenomanian; dinosaur; footprint; fossil record; ichnology; osteology; trackway; Argentina; Neuquen Basin; Patagonia; Dinosauria; Sauropoda
Año:2019
Volumen:96
Página de inicio:70
Página de fin:82
DOI: http://dx.doi.org/10.1016/j.cretres.2018.11.016
Handle:http://hdl.handle.net/20.500.12110/paper_01956671_v96_n_p70_Heredia
Título revista:Cretaceous Research
Título revista abreviado:Cretaceous Res.
ISSN:01956671
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01956671_v96_n_p70_Heredia

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Citas:

---------- APA ----------
Heredia, A.M., Pazos, P.J., Fernández, D.E., Díaz-Martínez, I. & Comerio, M. (2019) . A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina. Cretaceous Research, 96, 70-82.
http://dx.doi.org/10.1016/j.cretres.2018.11.016
---------- CHICAGO ----------
Heredia, A.M., Pazos, P.J., Fernández, D.E., Díaz-Martínez, I., Comerio, M. "A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina" . Cretaceous Research 96 (2019) : 70-82.
http://dx.doi.org/10.1016/j.cretres.2018.11.016
---------- MLA ----------
Heredia, A.M., Pazos, P.J., Fernández, D.E., Díaz-Martínez, I., Comerio, M. "A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina" . Cretaceous Research, vol. 96, 2019, pp. 70-82.
http://dx.doi.org/10.1016/j.cretres.2018.11.016
---------- VANCOUVER ----------
Heredia, A.M., Pazos, P.J., Fernández, D.E., Díaz-Martínez, I., Comerio, M. A new narrow-gauge sauropod trackway from the Cenomanian Candeleros Formation, northern Patagonia, Argentina. Cretaceous Res. 2019;96:70-82.
http://dx.doi.org/10.1016/j.cretres.2018.11.016