Lingulata - Lingulida - Discinidae

Alternative combination: Discina capuliformis

Synonym: Discina convexa White 1884

Full reference: A. M. McChesney. 1859. Descriptions of new species of fossils from the Paleozoic rocks of the western states. Transactions of the Chicago Academy of Sciences 1:1-76

Belongs to Orbiculoidea according to R. D. Hoare 1961

Sister taxa: Orbiculoidea anhuiensis, 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