Bivalvia - Ostreida - Posidoniidae

Full reference: F. X. Guo. 1985. Fossil Bivalves of Yunnan 1-319

Belongs to Posidonia according to F. X. Guo 1985

Sister taxa: Posidonia aranea, Posidonia blatchleyi, Posidonia circularis, Posidonia daytonensis, Posidonia jacksoni, Posidonia limbata, Posidonia madisonensis, Posidonia olenekensis, Posidonia ostenfeldii, Posidonia semiundata, Posidonia somaliensis, Posidonia wengensis

Type specimen: IVy 0181, a shell (Butterflied articulated external mold). Its type locality is Xianfengying, Tengchong County, which is in an Anisian marine horizon in China.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve length 21.3