Where: Hunan, China (27.6° N, 111.7° E: paleocoordinates 9.0° N, 98.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified mudstone

Size class: macrofossils

Primary reference: Z.J. Fang. 1987. Bivalves from the upper part of the Permian in southern Hunan, China. Collection of Postgraduate Theses of the Nanjing Institute of Geology and Palaeontology, Academia Sinica 1987(1):349-411 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107810: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2011

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