Also known as Boluochi

Where: Liaoning, China (41.4° N, 120.0° E: paleocoordinates 44.6° N, 120.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: 2 Member (Jiufotang Formation), Aptian (125.0 - 113.0 Ma)

• from "about 50 cm above" the mudstone yielding "nearly all" the other specimens from this locality

•said to be "Early Cretaceous": Aptian assignment based on age of main Beishan Quarry level. Xidagou Bed = 2nd Member of Fm.

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; poorly lithified shale

Size class: macrofossils

Preservation: adpression

Collected by Z. Zhou; reposited in the IVPP

Primary reference: Z. Zhou. 2002. A new and primitive enantiornithine bird from the Early Cretaceous of China. Journal of Vertebrate Paleontology 22(1):49-57 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 85255: authorized by John Alroy, entered by John Alroy on 08.12.2008

Creative Commons license: CC BY (attribution)