ammonites
Pseudojisuina tousuhuensis Jin and Ye 1979 (lamp shell)

Rhynchonellata - Terebratulida - Gillediidae

Alternative combination: Jisuina tousuhuensis

Full reference: Y. G. Jin and S. L. Ye. 1979. Permian brachiopod names. Paleontological atlas of northwest China, Qinghai Volume 1:70-131

Belongs to Pseudojisuina according to W. P. Liang 1990

Sister taxon: Pseudojisuina lengwuensis

Type specimen: NIGP 42793. Its type locality is Northwest Hydrological Station XI F619-3, Tuosuo Lake, Maduo County, which is in a Wordian marine horizon in China.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 24.5 x 15.1