Guanshan, Douling Fm, Middle Mb, Lianyuan County (Permian of China)

Where: Hunan, China (27.6° N, 111.7° E: paleocoordinates 1.8° N, 99.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle Member (Douling Formation), Capitanian (264.3 - 259.5 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 107811: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Schizodidae
Schizodus pinguis Waagen 1881 clam
Schizodus xiangtanensis Fang 1987 clam
Schizodus trigonalis Sayre 1930 clam
 Pholadomyida - Edmondiidae
Edmondia elongata Howse 1848 clam
 Nuculanida - Polidevciidae
Phestia hunanensis Ku and Chen 1963 clam