†order Canadaspidida Novozhilov in Orlov 1960 (crustacean)
Parent taxon: Crustacea according to D. E. G. Briggs et al. 2008
Sister taxa: Apudites, Bradoriamorphes, Branchiopoda, Cephalocarida, Cirripedia, Copepoda, Malacostraca, Maxillopoda, Nuculina, Oelandocaris, Ostracoda, Protocaridida, Remipedia, Waptiida
Subtaxa: Canadaspididae, Perspicaris
Ecology: fast-moving nektobenthic detritivore