Clade Eucrustacea Kingsley 1894 (crustacean)
Parent taxon: Crustacea according to C. Haug et al. 2014
See also Van Roy et al. 2021
Sister taxa: Bostrichopodida, Bradoriamorphes, Canadaspidida, Edriophthalma, Entomostraca, Malacostraca, Maxillopoda, Nuculina, Pentapalaeopycnon, Phosphatocopida, Protocaridida, Pycnogonites, Roddyia, Siphonocetes, Thecostraca, Waptiida
Subtaxa: Thylacocephala Walossekia
Ecology: