Rhynchonellata - Spiriferida - Elythidae
Alternative combination: Squamularia nodosa
Belongs to Permophricodothyris according to G. R. Shi et al. 2002
Sister taxa: Permophricodothyris affinis, Permophricodothyris bullata, Permophricodothyris caroli, Permophricodothyris cordata, Permophricodothyris elegantula, Permophricodothyris extensa, Permophricodothyris extensiformis, Permophricodothyris globosa, Permophricodothyris grandis, Permophricodothyris guangxiensis, Permophricodothyris inaequilateralis, Permophricodothyris indica, Permophricodothyris iranica, Permophricodothyris jiangshuiensis, Permophricodothyris nanchuanensis, Permophricodothyris notialasiatica, Permophricodothyris ovata, Permophricodothyris rotiformis, Permophricodothyris squamularioides, Permophricodothyris squamularoides, Permophricodothyris subgrandis, Permophricodothyris trigonolaris, Permophricodothyris waageni
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 22.3 x 28.9