Parent taxon: Crustacea according to D. I. Gravestock et al. 2001

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

Subtaxa: none

Ecology: