Where: Nei Mongol, China (46.9° N, 122.2° E: paleocoordinates 35.6° N, 103.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sijiashan Formation, Wordian (266.9 - 264.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: L. Lee and F. Gu. 1980. Carboniferous and Permian Brachiopoda. Paleontological Atlas of Northeast China 1:327-428 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111138: authorized by Matthew Clapham, entered by Matthew Clapham on 20.06.2011

Creative Commons license: CC BY (attribution)