†order Canadaspidida Novozhilov in Orlov 1960 (crustacean)
Parent taxon: Crustacea according to D. E. G. Briggs et al. 2008
See also Bengtson 1992, Feldmann et al. 2004 and Sepkoski 2002
Sister taxa: Apudites, Bostrichopodida, Bradoriamorphes, Edriophthalma, Entomostraca, Eucrustacea, Malacostraca, Maxillopoda, Nuculina, Pentapalaeopycnon, Phosphatocopida, Protocaridida, Pycnogonites, Roddyia, Siphonocetes, Thecostraca, Waptiida
Subtaxa: Canadaspididae
Ecology: fast-moving nektobenthic detritivore
Distribution:
• Solvan of United States (1: Nevada collection)
• Delamaran of Canada (23: British Columbia), United States (2: Nevada, Utah)
• Cambrian of Canada (6: Brithish Columbia, British Columbia), China (14), United States (4: Nevada, Utah)
Total: 50 collections each including a single occurrence