5km N from Shenjiawan village, near Changma town (Cretaceous of China)

Where: Gansu, China (37.9° N, 102.6° E: paleocoordinates 38.4° N, 102.7° E)

• coordinate based on nearby landmark

When: Xiagou Formation, Late/Upper Aptian (122.5 - 112.0 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 - large; shale

Size class: macrofossils

Preservation: adpression

Reposited in the NIGPAS

Primary reference: P. Vršanský. 2003. Umenocoleoidea - an amazing lineage of aberrant insects (Insecta, Blattaria). AMBA Projekty 7(1):1-32 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138919: authorized by Matthew Clapham, entered by Jered Karr on 02.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Alienoptera - Umenocoleidae
Blattapterix gansu n. gen. n. sp.
Blattapterix gansu n. gen. n. sp. Vršanský 2003 winged insect
NIGPAS, labelled as "Protelytroptera"