Where: Sichuan, China (29.5° N, 104.4° E: paleocoordinates 27.8° N, 108.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Shangshaximiao Formation, Late/Upper Jurassic (161.2 - 145.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Zhang & Zheng in 1977

Collection methods: quarrying, mechanical,

• discovered by the Second Brigade of the Regional Geological and Aerial Survey Corp. from the Sichuan Department of Geology

Primary reference: Z. Dong, S. Zhou, and H. Zhang. 1983. [Dinosaurs from the Jurassic of Sichuan]. Palaeontologica Sinica, New Series C, Whole Number 162(23):1-136 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60064: authorized by Matt Carrano, entered by Matt Carrano on 28.04.2006