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