PaleoDB taxon number: 134649
Alternative combinations: Araxathyris discusella, Spirigerella discurella, Spirigerella discusella
Full reference: G. Xu and R. E. Grant. 1994. Brachiopods near the Permian-Triassic boundary in South China. Smithsonian Contributions to Paleobiology 76:1-68
Type specimen: USNM 456175, a shell (Articulated shell). Its type locality is Liangfenya, Beifengjing Section, Changxing Fm, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.
Ecology: stationary low-level epifaunal suspension feeder
Average measurements (in mm): shell 13.4 x 12.5