Dawangzhangzi, Lingyuan City, CNU 2013 collection (Cretaceous of China)

Where: Liaoning, China (41.2° N, 119.2° E: paleocoordinates 43.9° N, 120.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dawangzhangzi Member (Yixian Formation), Early/Lower Aptian (125.5 - 122.5 Ma)

• It belongs to the Dawangzhangzi Member (Bed) of the middle Yixian Formation, and is dated as early Aptian, 122.5 +/- 0.3 - 122.2 +/- 0.2 Ma (Wang and Zhou, 2008), or 124.6 +/- 0.1 Ma.

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified, tuffaceous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collection methods: Repository: Key Lab of Insect Evolutionary and Environment Change, College of Life Sciences, Capital Normal University, Beijing, China

Primary reference: Y. Z. Yao, W. Z. Cai, X. Xu, C. K. Shih, M. S. Engel, X. T. Zheng, Y. Y. Zhao and D. Ren. 2014. Blood-feeding true bugs in the Early Cretaceous. Current Biology [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 159020: authorized by Matthew Clapham, entered by Matthew Clapham on 25.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hemiptera - Torrirostratidae
Flexicorpus acutirostratus Yao et al. 2014 true bug
CNU-Het-LL2013079, 143, 144
 Siphonaptera - Pseudopulicidae
Pseudopulex tanlan n. sp. Gao et al. 2014 flea
CNU-SIP-LL2013002, 003