Where: Guangxi, China (23.5° N, 107.6° E: paleocoordinates 5.3° N, 98.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Majiaoling Formation, Griesbachian (251.9 - 250.5 Ma)

• Lower part of 2.90 m thick bed

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: S. R. Yang, X. P. Wang, and W. C. Hao. 1986. Early Triassic bivalve assemblage of western Guangxi. Journal of Stratigraphy 10:88-97 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121129: authorized by Matthew Clapham, entered by Matthew Clapham on 28.11.2011

Creative Commons license: CC BY (attribution)