Rhynchonellata - Rhynchonellida - Allorhynchidae

Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods from West Texas, IV. Smithsonian Contributions to Paleobiology 21:1923-2607

Belongs to Allorhynchus according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Allorhynchus circulare, Allorhynchus concentricum, Allorhynchus hunanensis, Allorhynchus naliensis, Allorhynchus permianum, Allorhynchus ponduensis, Allorhynchus triangulatum, Allorhynchus variabile, Allorhynchus venustulum

Type specimen: USNM 154881a, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 6.09 x 6.39