Where: Nei Mongol, China (48.3° N, 118.2° E: paleocoordinates 37.5° N, 59.2° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Cheiloceras Stufe - Platyclymenia Stufe zone, Cheiloceras - Sporadoceras beds Member (Shangdamingshan Formation), Famennian (372.2 - 358.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: basinal (); lithified, red limestone

Primary reference: L. -W. Xiang. 1981. Some Late Devonian trilobites of China. Special Paper Geological Society of America 187:183-191 [J. Alroy/M. Sommers/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3958: authorized by John Alroy, entered by Mike Sommers on 12.08.1999

Creative Commons license: CC BY (attribution)