Where: Xizang, China (30.0° N, 90.8° E: paleocoordinates 7.7° S, 69.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Chaqupu Formation, Illyrian (247.2 - 242.0 Ma)

• 15 cm thick bed in lower part of formation

• bed-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

Size class: macrofossils

Reposited in the NIGPAS

• Some specimens kept at Tibet Bureau of Geology

Primary reference: Q. G. Gu, G. X. He, and Y. G. Wang. 1980. Discovery of the late Anisian Paraceratites trinodosus fauna (Ammonoidea) from Doilungdeqen, Tibet and its significance. Acta Palaeontologica Sinica 19:343-356 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150445: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2013

Creative Commons license: CC BY (attribution)