Where: Gansu, China (40.0° N, 97.8° E: paleocoordinates 39.6° N, 97.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Xiagou Formation, Late/Upper Aptian (122.5 - 113.0 Ma)
• Formation is Late Aptian, based on radiometric constraints of 120.3 Ma near the base, 115.5 Ma in the middle part, and 112.4 Ma in the base of the overlying Zhonggou Formation (Zheng et al., 2021).
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine; lithified, brown, yellow, silty mudstone
Size classes: macrofossils, mesofossils
Preservation: mold/impression
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 155013: authorized by Matthew Clapham, entered by Matthew Clapham on 26.03.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
| Insecta | |
Mesoblattina cretacea n. sp.
| |
Yumenocoleus intermedius n. sp., Yumenocoleus longus, Mesocoleus zhonggouense n. gen. n. sp., Glyptocoleus stellatus n. gen. n. sp., Eurycoleus arcuatus n. sp., Eurycoleus dimorphocellatus n. sp., Eurycoleus parvus n. sp., Eurycoleus clypeolatus n. sp., Glottocoleus lenticulata n. gen. n. sp., Pleurocoleus catenatus n. gen. n. sp., Phyllocoleus striolatus n. gen. n. sp.
| |
Planocoleus ensatus n. sp.
| |
Tetillopsis parvula n. gen. n. sp., Petalocupes arcus n. gen. n. sp.
| |