Gateway to the Paleobiology Database
Xierhuqiao, Yixian (IVPP) (Cretaceous of China)

Where: Liaoning, China (41.5° N, 121.2° E: paleocoordinates 45.0° N, 121.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Jiufotang Formation (Jehol Group), Aptian (125.5 - 112.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; tuffaceous, gray mudstone and silty sandstone

• "tuffaceous lacustrine mudstones, silty sandstones and sandstones", also described as a "grayish shale" (probably refers to the mudstone)

Size class: macrofossils

Preservation: adpression

Reposited in the IVPP

Collection methods: surface (in situ),

Primary reference: Y. Wang, M. E. H. Jones, and S. E. Evans. 2007. A juvenile anuran from the Lower Cretaceous Jiufotang Formation, Liaoning, China. Cretaceous Research 28:235-244 [M. Carrano/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 73688: authorized by Matthew Carrano, entered by Matthew Carrano on 25.06.2007

Creative Commons license: CC BY (attribution)