Trilobita - Ptychopariida - Estaingiidae

Full reference: Z. L. Zhu and L. F. Jiang. 1981. An Early Cambrian trilobite faunule from Yeshan, Luhe District, Jiangsu. Geological Society of America Special Paper 187:153-159

Belongs to Paraichangia according to Z. L. Zhu and L. F. Jiang 1981

Sister taxon: Paraichangia jiangsuensis

Type specimen: Its type locality is Yeshan, bed 7, which is in a Nangaoian carbonate limestone in the Mufushan Formation of China

Ecology: fast-moving low-level epifaunal carnivore