ammonites
Athyris plicatiformis Jin and Hu 1982 (lamp shell)

Rhynchonellata - Athyridida - Athyrididae

Full reference: Y. G. Jin and S. Hu. 1982. Brachiopod taxonomic names. Palaeontological Atlas of East China 2:186-256

Belongs to Athyris according to Y. G. Jin and S. Hu 1982

Sister taxa: Athyris (Cliothyris), Athyris ambiguaeformis, Athyris angulata, Athyris bisulcata, Athyris cestriensis, Athyris damesi, Athyris globularis, Athyris subquadrata, Athyris sulcata, Athyris xetra

Type specimen: Its type locality is Fenghuangshan, Chaohu County, which is in a Kungurian marine siliciclastic in the Qixia Formation of China

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 23.0 x 22.7