Zhuquanhui coalfield, Baicaoyao, Yuxian County (Jurassic to of China)

Where: Hebei, China (40.0° N, 114.6° E: paleocoordinates 44.5° N, 120.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Xiahuayuan Formation, Toarcian to Toarcian (182.7 - 170.3 Ma)

• Upper part of upper member. Age of formation c. 174 Ma (Dobbs et al., 2013 abstract)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, gray, green, cherty/siliceous sandstone

• Bimodal volcanics suggest crustal extension (Dobbs et al., 2013 abstract)

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Beijing Natural History Museum

Primary reference: Y. C. Hong. 1985. New fossil insects of Xiahuayuan Formation in Yuxian county, Hebei province. Bulletin of the Tianjin Institute of Geology and Mineral Resources 13:131-138 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164200: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Coleoptera - Taldycupedidae
Yuxianocoleus hebeiense n. gen. n. sp.
Yuxianocoleus hebeiense n. gen. n. sp. Hong 1985 beetle
BNHM HY01 (H-4-43)