†Mengzia Lo 1974 (trilobite)
Trilobita - Corynexochida - Dorypygidae
Parent taxon: Dorypygidae according to J. L. Yuan et al. 1997
Sister taxa: Atdabanella, Basocephalus, Bonnaria, Bonnia, Bonniella, Bonniopsis, Dorypygina, Dorypyginae, Fordaspis, Kooteniella, Ogygopsis, Olenoides, Protypus, Shipaiella, Strettonia
Subtaxa: none
Ecology: nektobenthic carnivore