Rhynchonellata - Spiriferida - Elythidae

Alternative combinations: Astegosia squamularioides, Martinia squamularioides, Squamularia squamularioides

Full reference: T. K. Huang. 1933. Late Permian Brachiopoda of southwestern China, Part 2. Palaeontologia Sinica, Series B 9(2):1-172

Belongs to Permophricodothyris according to S. Z. Shen and Y. C. Zhang 2008

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 nodosa, Permophricodothyris notialasiatica, Permophricodothyris ovata, Permophricodothyris rotiformis, Permophricodothyris squamularoides, Permophricodothyris subgrandis, Permophricodothyris trigonolaris, Permophricodothyris waageni

Type specimen: NIGP 4714

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 24.4 x 22.2, valve 27.8 x 25.6