ammonites
Daijiagou Section, P-T Bed 1 (Permian of China)

Where: Sichuan, China (29.9° N, 106.5° E: paleocoordinates 7.7° N, 94.0° E)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Changxing Formation, Changhsingian (254.0 - 252.3 Ma)

• 1.7 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray marl and lithified, yellow mudstone

• Light grey thin-bedded marl interbedded with yellow thin-bedded mudstone

Size class: macrofossils

Primary reference: S. Z. Shen, X. L. He, and G. R. Shi. 1995. Biostratigraphy and correlation of several Permian-Triassic boundary sections in southwestern China. Journal of Southeast Asian Earth Sciences 12(1-2):19-30 [M. Clapham/M. Clapham] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95599: authorized by Matthew Clapham, entered by Matthew Clapham on 19.04.2010

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