Huangbanjigou, Chaomidian Village, CNU 2017 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. N. Lyu, D. Ren, and X. Y. Liu. 2017. Systematic revision of the fossil snakefly family Baissopteridae (Insecta: Raphidioptera) from the Lower Cretaceous of China, with description of a new genus and three new species. Cretaceous Research 80:13-26 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188103: authorized by Matthew Clapham, entered by Matthew Clapham on 24.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Coleoptera - Cerophytidae
Necromera spp.2 Martynov 1926 beetle
CNU-COL-LB2017001, 065, 173
 Raphidioptera - Mesoraphidiidae
Stenoraphidia longioccipitalis n. sp.1 Lyu et al. 2018 snakefly
CNU-RAP-LB2017071, 141, 142, 144, 145, 146
Stenoraphidia obliquivenatica1 Ren 1994 snakefly
CNU-RAP-LB2017032, 079, 081, 082, 083, 084, 085, 087, 088, 089, 092, 093, 094, 095, 096
 Raphidioptera - Baissopteridae
Baissoptera liaoningensis Ren 1994 snakefly
CNU-RAP-LB2017018, 022, 026, 029, 034, 035, 050, 053
Baissoptera bicolor n. sp. Lyu et al. 2017 snakefly
CNU-RAP-LB2017028, 021, 041, 042, 043, 044, 045, 047, 055
Baissoptera grandis Ren 1995 snakefly
CNU-RAP-LB2017020, 023, 025, 027, 048, 049, 052, 062, 064, 065, 066, 070
Baissoptera sinica n. sp. Lyu et al. 2017 snakefly
CNU-RAP-LB2017038, 032, 039
Microbaissoptera monosticha n. gen. n. sp. Lyu et al. 2017 snakefly
CNU-RAP-LB2017061, 036, 037, 060