Parent taxon: Crustacea according to H. E. Vokes 1985

Sister taxa: Apudites, Bradoriamorphes, Branchiopoda, Canadaspidida, Cephalocarida, Cirripedia, Copepoda, Malacostraca, Maxillopoda, Oelandocaris, Ostracoda, Protocaridida, Remipedia, Waptiida

Subtaxa: none

Ecology: