Locality 218, 2 li north of Po-Tzu, Laiyang (Cretaceous of China)

Where: Shandong, China (37.1° N, 121.0° E: paleocoordinates 40.5° N, 122.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Laiyang Formation, Aptian (125.0 - 113.0 Ma)

• Fish beds of Laiyang formation

Environment/lithology: lacustrine - large; lithified, gray shale

• Extensional regime in response to the progressive attenuation of the thickened lithosphere and orogenic collapse.

Size class: macrofossils

Preservation: mold/impression

Collected by H.C. Tan; reposited in the NIGPAS

• Repository: Geological Survey of China Museum (prior to 1949), now at NIGP

Primary reference: A. W. Grabau. 1923. Cretaceous fossils from Shantung. Bulletin of the Geological Survey of China 5:143-181 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128277: authorized by Matthew Clapham, entered by Lindy Edwards on 05.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattodea - Mesoblattinidae
Laiyangia paradoxiformis n. gen. n. sp.
Laiyangia paradoxiformis n. gen. n. sp. Grabau 1923 cockroach
GSCM 427