Where: Hunan, China (26.6° N, 112.5° E: paleocoordinates 9.6° N, 100.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dalong Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

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 97259: authorized by Matthew Clapham, entered by Matthew Clapham on 21.07.2010

Creative Commons license: CC BY (attribution)