Where: Heilongjiang, China (47.7° N, 123.1° E: paleocoordinates 36.0° N, 105.5° 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

Collection methods: peel or thin section,

Primary reference: X. L. Liu. 1980. Bryozoa. Paleontological Atlas of Northeast China 1:189-254 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112685: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2011

Creative Commons license: CC BY (attribution)