Where: Hebei, China (41.2° N, 118.0° E: paleocoordinates 43.5° N, 120.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Xiguayuan Formation, Barremian (129.4 - 125.0 Ma)

• Bed 4 in lower part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, gray, green siltstone

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Beijing Museum of Natural History

Primary reference: Y. C. Hong, Z. B. Wang, and W. H. Sun. 1992. The stratigraphy and fossil insects of Zhongguan basin, Hebei Province. Memoirs of Beijing Natural History Museum 51:20-36 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157233: authorized by Matthew Clapham, entered by Matthew Clapham on 10.06.2014

Creative Commons license: CC BY (attribution)