Bivalvia - Pectinida - Entoliidae

Full reference: Q. L. Feng, X. S. Cui, and B. P. Liu. 1992. Discovery of Late Permian bivalve fauna from Laochang of Lancang, west Yunnan and its biogeographic characteristics. Earth Science - China University of Geosciences 17:512-520

Belongs to Pernopecten according to Q. L. Feng et al. 1992

Sister taxa: Pernopecten attenuatus, Pernopecten clypeatus, Pernopecten guangdongensis, Pernopecten huayingshanensis, Pernopecten latangulatus, Pernopecten malaysia, Pernopecten obliquus, Pernopecten ohioensis, Pernopecten prosseri, Pernopecten salarius, Pernopecten sichuanensis, Pernopecten subpiriformis, Pernopecten symmetricus, Pernopecten terukoae, Pernopecten vadegensis, Pernopecten yini

Type specimen: Its type locality is Laochang, Lancang, which is in a Changhsingian marine siliciclastic in the Laochang Formation of China

Ecology: facultatively mobile epifaunal suspension feeder

Average measurements (in mm): shell length 13.3