Huangbanjigou, Chaomidian Village, CNU collection (Cretaceous of China)

Where: Liaoning, China (41.6° N, 120.8° E: paleocoordinates 44.5° N, 122.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• U-Pb dating suggests that the Huangbanjigou section ranges from 124.9 ± 1.7 Ma to 122.8 ± 1.6 Ma (Yang et al., 2007). Chang et al. (2017) obtained Ar/Ar ages of 125.8 ± 1.0 Ma and 126.0 ± 0.8 Ma from the Lujiatun Unit, the lowest part of the Yixian Formation, below the lacustrine shales.

• group of beds-level stratigraphic resolution

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

Size classes: macrofossils, mesofossils

Preservation: adpression

Collection methods: Repository: Capital Normal University, Beijing

Primary reference: Y. S. Liu, D. Ren, N. D. Sinitshenkova and C.K. Shih. 2008. Three new stoneflies (Insecta: Plecoptera) from the Yixian Formation of Liaoning, China. Acta Geologica Sinica 82:249-256 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140490: authorized by Matthew Clapham, entered by Matthew Clapham on 11.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Plecoptera - Nemouridae
Parvinemoura parvus n. gen. n. sp.
Parvinemoura parvus n. gen. n. sp. Liu et al. 2008 spring stonefly
CNU BPYX50
 Plecoptera -
"Archaeoperla rarissimus n. gen. n. sp." = Sinosharaperla zhaoi
"Archaeoperla rarissimus n. gen. n. sp." = Sinosharaperla zhaoi Liu et al. 2007 stonefly
CNU BPYX47
 Neuroptera - Kalligrammatidae
Oregramma gloriosa n. gen. n. sp., "Limnogramma mira n. gen. n. sp." = Kalligrammula mira
Oregramma gloriosa n. gen. n. sp. Ren 2003 lacewing
CNU LB2009
"Limnogramma mira n. gen. n. sp." = Kalligrammula mira Ren 2003 lacewing
CNU LB20010