Strophomenata - Productida - Productellidae

Full reference: S. Z. Shen, X. L. He, and M. L. Zhu. 1992. Changxingian brachiopods from Zhongliang Hill of Chongqing, Sichuan Province. Stratigraphy and Palaeontology of Oil and Gas Bearing Areas in China 3:171-196

Belongs to Spinomarginifera according to L. Angiolini and L. Carabelli 2010

Sister taxa: Spinomarginifera alpha, Spinomarginifera chengyaoyenensis, Spinomarginifera ciliata, Spinomarginifera ciliata, Spinomarginifera concentrica, Spinomarginifera costata, Spinomarginifera giganta, Spinomarginifera grandis, Spinomarginifera helica, Spinomarginifera intercedens, Spinomarginifera iranica, Spinomarginifera janus, Spinomarginifera jiaozishanensis, Spinomarginifera jisuensis, Spinomarginifera kathwaiensis, Spinomarginifera kueichowensis, Spinomarginifera labaensis, Spinomarginifera lopingensiformis, Spinomarginifera lopingensis, Spinomarginifera plana, Spinomarginifera plena, Spinomarginifera pseudosintanensis, Spinomarginifera pygmaea, Spinomarginifera qaidamensis, Spinomarginifera qiaotingensis, Spinomarginifera semicircridge, Spinomarginifera shizhongensis, Spinomarginifera sichuanensis, Spinomarginifera spatiosa, Spinomarginifera spinosocostata, Spinomarginifera tuberculatiformis, Spinomarginifera yuduensis

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 8.94 x 11.01