Lingulata - Lingulida - Discinidae

Full reference: A. S. Dagys. 1985. Description of brachiopods, in Triasovye brakhiopody i dvustvorchatye mollyuski severa sredney Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie, Trudy 633:26-39

Belongs to Orbiculoidea according to A. S. Dagis et al. 1996

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 ovalis, Orbiculoidea platymitraformis, Orbiculoidea prietana, Orbiculoidea qieermaensis, Orbiculoidea qinglongensis, Orbiculoidea rotularia, Orbiculoidea sibirica, Orbiculoidea soyanensis, Orbiculoidea spitsbergensis, Orbiculoidea tobaensis, Orbiculoidea utahensis, Orbiculoidea warthi, Orbiculoidea wyomingensis, Orbiculoidea yangkangensis

Type specimen: IGiG 753/10. Its type locality is Taas-Krest Creek, Grambergia taimyrensis zone, lower Lena River (IGiG coll), which is in an Aegean marine siliciclastic in the Russian Federation.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 34.7 x 34.1