Rhynchonellata - Rhynchonellida - Allorhynchidae

Alternative combination: Parallorhynchus xizangensis

Full reference: D. L. Sun. 1991. Permian (Sakmarian-Artinskian) fauna from Gegyai County, Xizang (Tibet), and its biogeographic significance. Stratigraphy and Palaeontology of Permian, Jurassic, and Cretaceous of Rutog Region 215-275

Belongs to Terebratuloidea according to Z. Q. Chen and G. R. Shi 2006

Sister taxa: Terebratuloidea beta, Terebratuloidea centroplicata, Terebratuloidea davidsoni, Terebratuloidea depressa, Terebratuloidea elegantula, Terebratuloidea inflata, Terebratuloidea lhunzhubica, Terebratuloidea mimula, Terebratuloidea minor, Terebratuloidea ornata, Terebratuloidea pengshuiensis, Terebratuloidea subaviformis, Terebratuloidea subdepressa, Terebratuloidea subornata, Terebratuloidea trifida, Terebratuloidea triplicata

Type specimen: Its type locality is Mushirebuca, Yanhu area, Upper Chainaha Formation, Gegyai County, which is in a Kungurian marine horizon in the Chainaha Formation of China

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 28.5 x 29.9