Where: Qinghai, China (37.4° N, 99.3° E: paleocoordinates 25.5° N, 80.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Green Sandstone Member (Xiahuancang Formation), Dienerian (250.5 - 251.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, fine-grained, gray, green sandstone and lithified, green, silty shale

Size class: macrofossils

Primary reference: G. C. Liu and H. F. Yin. 1983. Lower Triassic, Xihuancang Formation, Jianghe Formation, Yangkang Formation. Triassic of the southern Qilian Mountains 1-11 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112820: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011

Creative Commons license: CC BY (attribution)