Rhynchonellata - Terebratulida - Notothyrididae

Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods of west Texas, V. Smithsonian Contributions to Paleobiology 24:2609-3159

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

Sister taxa: Glossothyropsis carinata, Glossothyropsis cryptacanthoides, Glossothyropsis immatura, Glossothyropsis juvenis, Glossothyropsis magna, Glossothyropsis polita, Glossothyropsis rectangulata, Glossothyropsis robusta, Glossothyropsis sinuata

Type specimen: USNM 153443a, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 15.8 x 14.0