†Hemileurus orbicularis Jin and Sun 1981 (lamp shell)
Rhynchonellata - Rhynchonellida - Allorhynchidae
Full reference: Y.G. Jin and D. L. Sun. 1981. Paleozoic brachiopods from Xizang (Tibet). Paleontology of Xizang, Book III, The Series of the Scientific Expedition to the Qinghai-Xizang Plateau 127-171
Belongs to Hemileurus according to Y.G. Jin and D. L. Sun 1981
Sister taxon: Hemileurus runcinatus
Type specimen: Its type locality is Tunlonggongba 76AR42, Duoma, Rutog, which is in an Artinskian marine horizon in the Tunlonggongba Formation of China
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 10.6 x 12.1