†family Chengkouiidae Zhu 1980 (trilobite)
Trilobita - Corynexochida - Chengkouiidae
Parent taxon: Corynexochina according to J. M. Adrain 2011
See also Jell and Adrain 2002
Sister taxa: Corynexochidae, Dinesidae, Dorypygidae, Edelsteinaspididae, Jakutidae, Oryctocephalidae, Zacanthoididae
Subtaxa: Acanthomicmacca Bidjinella Micmacca Xiuqiella
Ecology: nektobenthic carnivore
Distribution:
• Cambrian of Canada (1: Nova Scotia collection), China (3), Germany (1), Morocco (2), the Russian Federation (3), Spain (1), the United Kingdom (1)
Total: 12 collections including 18 occurrences