Lingulata - Lingulida - Discinidae

Full reference: P. E. Cloud. 1944. Part III: Permian brachiopods, in Geology and paleontology of the Permian area northwest of Las Delicias, southwestern Coahuila, Mexico. Geological Society of America Special Paper 52:49-69

Belongs to Orbiculoidea according to P. E. Cloud 1944

Sister taxa: Orbiculoidea anhuiensis, Orbiculoidea capuliformis, Orbiculoidea clintonensis, Orbiculoidea elegans, Orbiculoidea excentrica, Orbiculoidea interlineata, Orbiculoidea jangarensis, Orbiculoidea kolymaensis, Orbiculoidea linguliformis, Orbiculoidea magna, Orbiculoidea minor, Orbiculoidea minuta, Orbiculoidea missouriensis, Orbiculoidea nucleola, Orbiculoidea platymitraformis, Orbiculoidea prietana, Orbiculoidea qieermaensis, Orbiculoidea qinglongensis, Orbiculoidea rotularia, Orbiculoidea sibirica, Orbiculoidea soyanensis, Orbiculoidea spitsbergensis, Orbiculoidea taskrestensis, Orbiculoidea tobaensis, Orbiculoidea utahensis, Orbiculoidea warthi, Orbiculoidea wyomingensis, Orbiculoidea yangkangensis

Type specimen: YPM S-2695. Its type locality is King 20, Beds 5,7, Cerro Wencelao to El Indio, Las Delicias, which is in a Capitanian marine shale/limestone in the La Difunta Formation of Mexico.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 6.69 x 5.75