Where: Gansu, China (40.5° N, 98.1° E: paleocoordinates 40.0° N, 98.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• from near base of Early Cretaceous series in basin= Xinminpu

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray siliciclastic sediments

Size class: macrofossils

Collected by CAGS in 2002

Collection methods: mechanical,

Primary reference: H.-L. You, K. Tanoue, and P. Dodson. 2010. A new species of Archaeoceratops (Dinosauria: Neoceratopsia) from the Early Cretaceous of the Mazongshan area, northwestern China. In M. J. Ryan, B. J. Chinnery-Allgeier, D. A. Eberth (eds.), New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Indiana University Press, Bloomington 59-67 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97754: authorized by Matthew Carrano, entered by Matthew Carrano on 27.08.2010

Creative Commons license: CC BY (attribution)