An unusual trackway of a possibly bipedal archosaur from the Late Triassic of the Sichuan Basin, China

• Autorzy: Xing L. , Peng G. , Marty D. , Ye Y. , Klein H. , Li J. , Gierlinski G. D. , Shu C.
• Języki publikacji: EN

Abstrakty

EN

The Longguan dinosaur tracksite in the Sichuan Basin (China) is described. It is located in the uppermost part of the Upper Triassic Xujiahe Formation and displays a single, unusual trackway consisting of 19 deeply impressed pes imprints. All tracks have suffered from erosion over many years of exposure, but they still reveal interesting details such as conspicuous elongated grooves, interpreted here as toe and claw drag marks. The trackmaker, a medium-sized archosaur, was walking in a thick and relatively soft layer of sand. The elongated, oval shape of the footprints resembles the ichnogenus Eosauropus from North America and Europe, assigned to facultative bipedal sauropodomorphs. The Chinese track differs by inward rotation of the footprints toward the midline, whereas in Eosauropus, these are turned strictly outward. Other ichnotaxa and possible trackmakers are discussed, but presently, a distinct assignment cannot be given. The Longguan trackway enlarges the scarce footprint record from the Triassic of China.

• Wydawca: -
• Czasopismo: Acta Palaeontologica Polonica
• Rocznik: 2014
• Tom: 59
• Numer: 4
• Opis fizyczny: p.863-871,fig.,ref.

Twórcy

autor

Xing L.

• School of the Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China

autor

Peng G.

• Zigong Dinosaur Museum, Zigong 643013, Sichuan, China

autor

Marty D.

• Office de la Culture-Paleontologie A16, Hotel des Halles, P.O. Box 64, 2900 Porrentruy 2, Switzerland

autor

Ye Y.

• Zigong Dinosaur Museum, Zigong 643013, Sichuan, China

autor

Klein H.

• Saurierwelt Palaontologisches Museum, Alte Richt 7, D-92318 Neumarkt, Germany

autor

Li J.

• Department of Paleontology, Beijing Natural History Museum, 126 Tian Qiao South Street, Beijing 100050, China

autor

Gierlinski G. D.

• JuraPark, Sandomierska 4, 27-400 Ostrowiec Swietokrzyski, Poland
• Polish Geological Institute, Rakowiecka 4, 00-975 Warsaw, Poland

autor

Shu C.

• Zigong Dinosaur Museum, Zigong 643013, Sichuan, China

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Identyfikatory

DOI

10.4202/app.2012.0087