ammonites
Allorhynchus ponduensis 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 Allorhynchus according to Y.G. Jin and D. L. Sun 1981

Sister taxa: Allorhynchus circulare, Allorhynchus concentricum, Allorhynchus formulosum, Allorhynchus hunanensis, Allorhynchus naliensis, Allorhynchus permianum, Allorhynchus triangulatum, Allorhynchus variabile, Allorhynchus venustulum

Type specimen: Its type locality is Lasaila Mountain 75TMF18, Jiazhuzangbuzhi, Zhongba, which is in a Capitanian marine horizon in the Lasaila Formation of China

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 9.80 x 12.00