Rhynchonellata - Athyridida - Athyrididae

Alternative combination: Spirigera xetra

Belongs to Athyris according to S. X. Zhang and Y. G. Jin 1976

Sister taxa: Athyris (Cliothyris), Athyris ambiguaeformis, Athyris angulata, Athyris bisulcata, Athyris cestriensis, Athyris damesi, Athyris globularis, Athyris plicatiformis, Athyris subquadrata, Athyris sulcata

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 21.0 x 22.8