Xintan town, Honghuayuan Fm (Ordovician of China)

Where: Hubei, China (30.9° N, 110.8° E: paleocoordinates 14.1° N, 139.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Honghuayuan Formation, Arenig (478.6 - 466.0 Ma)

• lower Arenig

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; limestone

• 20-51 m thick, the formation consists mainly of thick-bedded bioclastic

•limestone with interbedded greenish-yellow shale. This formation contains sponge-Calathium reefs or bioherms.

• bioclastic limestone

Size classes: macrofossils, mesofossils

Primary reference: L. Bingli, J. K. Rigby, J. Yanwen and Z. Zhongde. 1997. Lower Ordovician lithistid sponges from the eastern Yangtze Gorge area, Hubei, China. Journal Of Paleontology. Journal of Paleontology 71(2):194-207 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154777: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 12.03.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Radiocyatha
  - Soanitidae
Calathium sp. Billings 1865
Demospongiae
 Lithistida - Anthaspidellidae
Anthaspidella lamellata Bingli et al. 1997 demosponge