Also known as Shangyuan

Where: Liaoning, China (41.6° N, 120.9° E: paleocoordinates 44.5° N, 122.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lujiatun Member (Yixian Formation), Early/Lower Aptian (125.5 - 122.5 Ma)

• basal member of Yixian Formation = Member 1 = Lujiatun beds; 40Ar/39Ar age for bed is 123.2 ± 1.0 Ma

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; tuff

Size classes: macrofossils, mesofossils

Reposited in the IVPP

• "Fossils from the tuffs include frogs, squamates, dinosaurs, mammals and the new specimens reported here."

Primary reference: X. Xu, X.-L. Wang, and H.-L. You. 2000. A primitive ornithopod from the Early Cretaceous Yixian Formation of Liaoning. Vertebrata PalAsiatica 38(4):318-325 [M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53493: authorized by Robin Whatley, entered by Robin Whatley on 09.09.2005, edited by Roger Benson, Matt Carrano, Kaitlin Maguire and Richard Butler

Creative Commons license: CC BY (attribution)