Asphaltite tracksite, Karamay (Cretaceous to of China)

Also known as Urho, Wuerho, Wuerhe

Where: Xinjiang, China (46.1° N, 85.8° E)

• Paleocoordinates: 40.3° N, 99.8° E (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lianmuqin Formation (Tugulu Group), Valanginian to Valanginian (139.8 - 100.5 Ma)

• "The asphaltite tracksite is stratigraphically higher than the Huangyangquan tracksite, pertaining to the Upper Layer of the Tugulu Group"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, sandy mudstone and gray, green sandstone

• "At the asphaltite tracksite, a succession of fourteen layers with grey sandy mudstones and light green-grey sandstones bordering the mined asphaltite has been documented. The footprints occur at the interface of the first and second layer."

Size class: macrofossils

Preservation: cast, trace

Collected by J. An

Collection methods: surface (in situ),

• discovered by Mr. Jianfu An, the curator of Moguicheng Dinosaur and Bizarre Stone Museum

Primary reference: L.-D. Xing, M. G. Lockley, H. Klein, J.-P. Zhang, Q. He, J. D. Divay, L.-Q. Qi and C.-K. Jia. 2013. Dinosaur, bird and pterosaur footprints from the Lower Cretaceous of Wuerhe asphaltite area, Xinjiang, China, with notes on overlapping track relationships. Palaeoworld 22(1-2):42-51 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224368: authorized by Matthew Carrano, entered by Matthew Carrano on 22.02.2022

Creative Commons license: CC0 (CC0)

Taxonomic list

Reptilia
 Pterosauria - Pteraichnidae
? Pteraichnus sp. Stokes 1957 pterosaur
MGCM.A7
 Theropoda -
Theropoda indet. Marsh 1881 theropod
MGCM.A1a, b; 2a, b; 3; 4a–f; 5c; 6
Aves
 Aves -
? Aves indet. bird
MGCM.A1c, 2c, 4g, and 5b
Reptilia
 Theropoda -
? Jialingpus sp. Zhen et al. 1983 theropod
MGCM.A5a