Strophomenata - Productida - Aulostegidae

Full reference: G. A. Cooper and R. E. Grant. 1975. Permian Brachiopods of West Texas, III. Smithsonian Contributions to Paleobiology 19:795-1921

Belongs to Edriosteges according to G. A. Cooper and R. E. Grant 1975

Sister taxa: Edriosteges acuminatus, Edriosteges beedei, Edriosteges circularis, Edriosteges compactus, Edriosteges guangxiensis, Edriosteges medlicottianus, Edriosteges multispinosus, Edriosteges ogbinensis, Edriosteges plenus, Edriosteges poyangensis, Edriosteges subplicatilis, Edriosteges tumitus

Type specimen: USNM 152650, a shell (Articulated shell). Its type locality is USNM703a1, Cathedral Mountain Formation, Old Word Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Cathedral Mountain Formation of Texas.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 50.4 x 53.2