Where: Hebei, China (40.9° N, 118.3° E: paleocoordinates 42.5° N, 121.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• 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 155036: authorized by Matthew Clapham, entered by Matthew Clapham on 27.03.2014

Creative Commons license: CC BY (attribution)