Where: Hebei, China (39.9° N, 114.8° E: paleocoordinates 41.5° N, 118.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Houcheng Formation, Callovian to Callovian (166.1 - 157.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified mudstone

Size classes: macrofossils, mesofossils

Preservation: adpression

Collection methods: Repository: Beijing Museum of Natural History

Primary reference: Y. C. Hong. 1997. Discovery of fossil insects from Houcheng Formation of Hebei Province and establish of Houcheng entomofauna. Beijing Geology 1997(1):1-10 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156712: authorized by Matthew Clapham, entered by Matthew Clapham on 29.05.2014

Creative Commons license: CC BY (attribution)