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Libalanggou, Zhangjiyin (Liaoning) (Cretaceous to of China)

Also known as Confuciusornis dui type site

Where: Liaoning, China (41.8° N, 120.7° E: paleocoordinates 44.5° N, 122.5° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Yixian Formation (Jehol Group), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)

• within a 2-m thick interval in the Yixian Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; siltstone and mudstone

• freshwater mudstones, lush forested conditions, along margin of freshwater lake

Size class: macrofossils

Preservation: adpression, soft parts

Collection methods: quarrying, mechanical,

• This taxon is listed as associated with "conchostracans, insects, fishes, amphibians, reptiles and mammals" but these almost certainly represent distinct collections, and probably refer to the Yixian beds as a whole, including those that produced C. sanctus

Primary reference: L. Hou, L. D. Martin, Z. Zhou, A. Feduccia, and F. Zhang. 1999. A diapsid skull in a new species of the primitive bird Confuciusornis. Nature 399:679-682 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24899: authorized by Matthew Carrano, entered by Matthew Carrano on 22.08.2002

Creative Commons license: CC BY (attribution)