Where: Chongqing, China (29.9° N, 106.5° E: paleocoordinates 7.7° N, 94.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Changxing Formation, Changhsingian (254.0 - 252.3 Ma)

• Unit 22

• bed-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified bafflestone and lithified, shelly/skeletal wackestone

Size class: macrofossils

Primary reference: J. K. Rigby, J. Fan, and W. Zhang. 1989. Sphinctozoan sponges from the Permian reefs of South China. Journal of Paleontology 63(4):404-439 [W. Kiessling/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47452: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 25.02.2005, edited by Uta Merkel