Where: Gansu, China (36.7° N, 104.8° E: paleocoordinates 39.1° N, 108.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Member (Wangjiashan Formation), Late/Upper Bathonian (167.7 - 164.7 Ma)

• upper part of lower member

• bed-level stratigraphic resolution

Environment/lithology: lacustrine deltaic; yellow sandstone

Size class: macrofossils

Preservation: cast, trace

Collected by IVPG in 2017–2018

Collection methods: surface (in situ),

Primary reference: D.-Q. Li, L.-D. Xing, M. G. Lockley, A. Romilio, J.-T. Yang and L.-F. Li. 2019. The first theropod tracks from the Middle Jurassic of Gansu, northwest China: new and rare evidence of quadrupedal progression in theropod dinosaurs. Journal of Palaeogeography 8:10:1-11 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 204945: authorized by Matthew Carrano, entered by Matthew Carrano on 27.09.2019

Creative Commons license: CC BY (attribution)