†Chengkouia constricta Zhu and Lin 1983 (trilobite)
Full reference: Z. L. Zhu and H. L. Lin. 1983. Some Early Cambrian trilobites from the Xidashan Formation of Kuruktag, Xinjiang. Acta Palaeontologica Sinica 22(1):21-30
Belongs to Chengkouia according to Z. L. Zhu and H. L. Lin 1983
Sister taxa: Chengkouia pustulosa, Chengkouia tianshanensis, Chengkouia xinjiangensis
Type specimen: Its type locality is Mohershan, Kuruktag, which is in a Nangaoian carbonate limestone in the Xidashan Formation of China
Ecology: nektobenthic carnivore