Also known as Achaxiang

Where: Sichuan, China (31.0° N, 99.6° E: paleocoordinates 23.4° N, 76.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tumugou Formation, Tuvalian to Tuvalian (232.0 - 215.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; siltstone

Size class: macrofossils

Preservation: mold/impression

Collected by L. Lin

Primary reference: L. Lin, L. Zhu, Y. Pang and J. Sha. 2007. A new genus of Pergamidiidae (Bivalvia) from the Late Triassic of the Changtai-Gacun area, eastern Qinghai-Xizang Plateau, China. Journal of Asian Earth Sciences 30:108-112 [A. Dunhill/B. Allen/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 204206: authorized by Alex Dunhill, entered by Bethany Allen on 03.09.2019

Creative Commons license: CC BY (attribution)