Rhynchonellata - Spiriferida - Elythidae

Alternative combination: Squamularia grandis

Belongs to Permophricodothyris according to Z. Q. Chen and Z. T. Liao 2009

Sister taxa: Permophricodothyris affinis, Permophricodothyris bullata, Permophricodothyris caroli, Permophricodothyris cordata, Permophricodothyris elegantula, Permophricodothyris extensa, Permophricodothyris extensiformis, Permophricodothyris globosa, Permophricodothyris guangxiensis, Permophricodothyris inaequilateralis, Permophricodothyris indica, Permophricodothyris iranica, Permophricodothyris jiangshuiensis, Permophricodothyris nanchuanensis, Permophricodothyris nodosa, 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 52.3 x 50.5, valve 38.5 x 38.6