ammonites
Pseudospiriferina pauciplicata Yang and Yin 1962 (lamp shell)

Rhynchonellata - Spiriferinida - Spiriferellinidae

Alternative combination: Spiriferina pauciplicata

Belongs to Pseudospiriferina according to G. R. Xu and G. C. Liu 1983

Sister taxa: Pseudospiriferina biplicata, Pseudospiriferina lipoldiformis, Pseudospiriferina multicostata, Pseudospiriferina paucicostata, Pseudospiriferina pinguis, Pseudospiriferina tsinghaiensis, Pseudospiriferina variabilis

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 12.5 x 19.2