Rhynchonellata - Rhynchonellida - Rhynchoporidae

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

Belongs to Rhynchopora according to G. R. Shi and J.B. Waterhouse 1996

Sister taxa: Rhynchopora abnormalis, Rhynchopora angulatiplicata, Rhynchopora arctica, Rhynchopora australasica, Rhynchopora bicostata, Rhynchopora complanata, Rhynchopora culta, Rhynchopora depressa, Rhynchopora dossena, Rhynchopora geinitziana, Rhynchopora grandirostris, Rhynchopora guadalupensis, Rhynchopora hebetata, Rhynchopora illinoisensis, Rhynchopora inconstantis, Rhynchopora kochi, Rhynchopora lobjaensis, Rhynchopora magnicosta, Rhynchopora matsumotoi, Rhynchopora molina, Rhynchopora nikitini, Rhynchopora palumbula, Rhynchopora patula, Rhynchopora relegata, Rhynchopora scorsa, Rhynchopora solonensis, Rhynchopora sphenoides, Rhynchopora subtrigonalis, Rhynchopora taylori, Rhynchopora tchernyshae, Rhynchopora tenera, Rhynchopora tenuicostata, Rhynchopora tripartita, Rhynchopora variabilis, Rhynchopora wynnei, Rhynchopora zaljakensis

Type specimen: USNM 125293, a shell (Articulated shell). Its type locality is UO 2202-2, "Triangulation Hill", Grindstone-Twelvemile Creek area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 15.4 x 17.4, valve 10.6 x 13.2