ammonites
Pteria yonganensis Wang 1993 (pearl oyster)

Bivalvia - Ostreida - Pteriidae

Full reference: M. Wang. 1993. Bivalve fauna from uppermost Permian and lowermost Triassic of Fenghai, Yong'an, Fujian. Acta Palaeontologica Sinica 32(4):471-475

Belongs to Pteria according to M. Wang 1993

Sister taxa: Pteria argentea, Pteria bisincilis, Pteria colymbus, Pteria dianensis, Pteria hechuanensis, Pteria hirundo, Pteria infelix, Pteria inornata, Pteria lata, Pteria limula, Pteria murchisoni, Pteria nasuta, Pteria notukeuensis, Pteria pellucida, Pteria penguin, Pteria peregrina, Pteria plana, Pteria richardsoni, Pteria spedeni, Pteria squamifera, Pteria ussurica

Type specimen: Fj-22-86, a valve (Right valve). Its type locality is Jueqian Bed 22, Fenghai, Yong'an County, which is in a Changhsingian marine siltstone in the Yanshi Formation of China.

Ecology: stationary epifaunal suspension feeder