Where: Hebei, China (41.9° N, 116.6° E: paleocoordinates 44.1° N, 118.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Almost certainly from the Yixian Formation

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, brown, yellow mudstone

Size classes: macrofossils, mesofossils

Preservation: adpression

Collection methods: Repository: Tianjin Institute of Geology and Mineral Resources

Primary reference: Y. C. Hong. 1982. Mesozoic Fossil Insects of Jiuquan Basin in Gansu Province 1-187 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155011: authorized by Matthew Clapham, entered by Matthew Clapham on 26.03.2014

Creative Commons license: CC BY (attribution)