Where: Nei Mongol, China (44.0° N, 119.7° E: paleocoordinates 28.0° N, 97.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dashizhai Formation, Roadian to Roadian (272.5 - 265.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: S. Z. Guo. 1980. Tetracoralla. Paleontological Atlas of Northeast China 1:106-152 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109608: authorized by Matthew Clapham, entered by Matthew Clapham on 18.05.2011

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