ammonites
Tuolongran Bed 19, 74YPIIIF40, Tianjun District (Triassic of China)

Where: Qinghai, China (37.2° N, 99.1° E: paleocoordinates 29.6° N, 80.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dajialian Member (Junzihe Formation), Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: G. R. Xu and G. C. Liu. 1983. Systematic Description: Brachiopods. In Z. Y. Yang, H. F. Yin, G. R. Xu, S. B. Wu, Y. L. He, G. C. Liu, J. R. Yin (eds.), Triassic of the southern Qilian Mountains 84-128 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112833: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)