ammonites
Neochonetes (Sommeriella) regularis Shen et al. 2000 (lamp shell)

Strophomenata - Productida - Rugosochonetidae

Full reference: S. Z. Shen, N. W. Archbold, G. R. Shi and Z. Q. Chen. 2000. Permian brachiopods from the Selong Xishan Section, Xizang (Tibet), China. Part 1: Stratigraphy, Strophomenida, Productida and Rhynchonellida. Geobios 33(6):725-752

Belongs to Neochonetes (Sommeriella) according to Y. Zhang et al. 2013

Sister taxa: Neochonetes (Sommeriella) afanasyevae, Neochonetes (Sommeriella) baroghilensis, Neochonetes (Sommeriella) cockbaini, Neochonetes (Sommeriella) cymatilis, Neochonetes (Sommeriella) hockingi, Neochonetes (Sommeriella) magnus, Neochonetes (Sommeriella) marpoensis, Neochonetes (Sommeriella) nalbiaensis, Neochonetes (Sommeriella) obrieni, Neochonetes (Sommeriella) pratti, Neochonetes (Sommeriella) rectangularis, Neochonetes (Sommeriella) robustus, Neochonetes (Sommeriella) strophomenoides, Neochonetes (Sommeriella) tenuicapillatus, Neochonetes (Sommeriella) vialis, Neochonetes (Sommeriella) waterhousei

Type specimen: NMV P148852, a valve (Ventral valve). Its type locality is Selong Xishan, Bed 3, which is in a Wuchiapingian shallow subtidal limestone in China.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 8.89 x 14.08