Where: Gansu, China (40.3° N, 98.1° E: paleocoordinates 39.8° N, 98.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Upper Gray Beds Member (Xiagou Formation), Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; gray mudstone

Size class: macrofossils

• Jintasaurus meniscus, FRDC: GJ 06-2-52

•Xuwulong yueluni, GSGM-F00001

Collected in 2006

Collection methods: surface (in situ), mechanical,

• "the field crew of the Fossil Research and Development Center (FRDC) of the Third Geology and Mineral Resources Exploration Academy of the Gansu Provincial Bureau of Geo-Exploration and Mineral Development excavated a dinosaur quarry in the Lower Cretaceous Xinminpu Group"; FRDC: GJ 06-2-52 in the Fossil Research and Development Center collection; GSGM-F00001: Gansu Geological Museum

Primary reference: H.-L. You and D.-Q. Li. 2009. A new basal hadrosauriform dinosaur (Ornithischia: Iguanodontia) from the Early Cretaceous of northwestern China. Canadian Journal of Earth Sciences 46:949-957 [M. Carrano/M. Oreska]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 103990: authorized by Matthew Carrano, entered by Matthew Oreska on 04.02.2011

Creative Commons license: CC BY (attribution)