Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/14634
Title: A new deinonychosaurian track from the Lower Cretaceous Hekou Group, Gansu Province, China
Contributor(s): Xing, Lida (author); Li, Daqing (author); Harris, Jerald D (author); Bell, Phil  (author)orcid ; Azuma, Yoichi (author); Fujuta, Masato (author); Lee, Yuong-Nam (author); Currie, Philip J (author)
Publication Date: 2013
Open Access: Yes
DOI: 10.4202/app.2011.0115Open Access Link
Handle Link: https://hdl.handle.net/1959.11/14634
Abstract: Herein we describe deinonychosaurian (Dinosauria: Theropoda) tracks in the Lower Cretaceous Hekou Group at sites I and II of Liujiaxia Dinosaur National Geopark, Gansu Province, China. The site preserves 71 didactyl tracks, the largest concentration of deinonychosaurian tracks in Asia. The tracks pertain to a new dromaeopodid ichnospecies: 'Dromaeo−sauripus yongjingensis' ichnosp. nov., which is diagnosed by: a digital pad formula of x-1-3-4-x and a mean divarication angle between digits III and IV of 19°, and having the proximal portion of digit II contacting the anterior margin of a large, rounded metatarsophalangeal pad. Six 'Dromaeosauripus' trackways from site II comprise at least two, and possibly three, turning trackways in which the track maker(s) turned without slowing down. None of the 'Dromaeosauripus' trackways are parallel or closely spaced, suggesting that they were made by solitary track makers. Estimates of dromaeopodid track−maker sizes are between 61-300 cm, well within the size range established by body fossils of both dromaeosaurids and troodontids.
Publication Type: Journal Article
Source of Publication: Acta Palaeontologica Polonica, 58(4), p. 723-730
Publisher: Polska Akademia Nauk, Instytut Paleobiologii
Place of Publication: Poland
ISSN: 1732-2421
0567-7920
Fields of Research (FoR) 2008: 040308 Palaeontology (incl Palynology)
Fields of Research (FoR) 2020: 370506 Palaeontology (incl. palynology)
Socio-Economic Objective (SEO) 2008: 970104 Expanding Knowledge in the Earth Sciences
Socio-Economic Objective (SEO) 2020: 280107 Expanding knowledge in the earth sciences
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science

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