Bivalvia - Pectinida - Aviculopectinidae

Synonyms: Etheripecten subquadratus Zhang 1981, Paradoxipecten rarocostatus Zhang 1981

Full reference: Y. X. Zhang. 1981. Late Permian bivalves from Yuanjia of Jiahe, Hunan Province. Acta Palaeontologica Sinica 20:260-265

Belongs to Paradoxipecten according to Z.J. Fang 1987

Sister taxa: Paradoxipecten dalongensis, Paradoxipecten flabelliformis, Paradoxipecten latisinus, Paradoxipecten longispinus, Paradoxipecten opisthoclinus, Paradoxipecten trigonalis

Type specimens:

• Paradoxipecten jiaheensis: Its type locality is Yuanjia, Jiahe Region (Longtan Fm), which is in a Wuchiapingian marine siliciclastic in the Longtan Formation of China
• Etheripecten subquadratus: Its type locality is Yuanjia, Jiahe Region (Longtan Fm), which is in a Wuchiapingian marine siliciclastic in the Longtan Formation of China.
• Paradoxipecten rarocostatus: Its type locality is Yuanjia, Jiahe Region (Longtan Fm), which is in a Wuchiapingian marine siliciclastic in the Longtan Formation of China.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve length 15.7