Lingulata - Lingulida - Discinidae
Full reference: A. d'Orbigny. 1849. Cours élémentaire de paléontologie et de géologie stratigraphiques. Victor Masson, Paris 1:1-382
Parent taxon: Discinidae according to A. Williams et al. 2000
Sister taxa: Acrosaccus, Discina, Discinisca, Discinolepis, Discradisca, Heliomedusa, Kosoidea, Lindstroemella, Lingulodiscina, Lochkothele, Oehlertella, Orbiculoideinae, Roemerella, Schizotreta
Subtaxa: 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 taskrestensis, Orbiculoidea tobaensis, Orbiculoidea utahensis, Orbiculoidea warthi, Orbiculoidea wyomingensis, Orbiculoidea yangkangensis
Ecology: stationary low-level epifaunal suspension feeder