Strophomenata - Productida - Productellidae

Full reference: G. A. Cooper. 1957. Permian brachiopods from central Oregon. Smithsonian Miscellaneous Contributions 134(12):1-79

Belongs to Marginifera according to G. A. Cooper 1957

Sister taxa: Marginifera (Arenaria), Marginifera (Marginifera), Marginifera (Nesiotia), Marginifera aliensis, Marginifera altimontana, Marginifera andreai, Marginifera bicostala, Marginifera brevisulcata, Marginifera carniolica, Marginifera costalliformis, Marginifera elongata, Marginifera ganota, Marginifera gobiensis, Marginifera haydenensis, Marginifera hubeiensis, Marginifera involuta, Marginifera jalaidensis, Marginifera juresanensis, Marginifera lebedevi, Marginifera longispina, Marginifera madagascariensis, Marginifera magniplicata, Marginifera morrisi, Marginifera multicostellata, Marginifera nathorstfjordensis, Marginifera nesiotes, Marginifera parahimalayensis, Marginifera planocosta, Marginifera popovkaensis, Marginifera profundosulcata, Marginifera qaganqulutica, Marginifera qamarensis, Marginifera rimuensis, Marginifera schartimiensiformis, Marginifera schellwieni, Marginifera semigratiosa, Marginifera septentrionalis, Marginifera sexcostata, Marginifera spinulifera, Marginifera tetraspina, Marginifera timanica, Marginifera unsulcata, Marginifera uralica, Marginifera yanhuensis, Marginifera zhongbaensis, Productus (Marginifera) acutocurvatus, Productus (Marginifera) gerassimovi, Productus (Marginifera) nikchitchi, Productus (Marginifera) simkini, Productus (Marginifera) spatiosus, Productus (Marginifera) subornatus

Type specimen: USNM 125368. Its type locality is S46, 3.25 miles N25W of Sherman Ranch, Grindstone-Twelvemile Creek area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 13.6 x 18.6