Class Malacostraca Latreille 1802 (crustacean)
Parent taxon: Crustacea according to D. E. G. Briggs et al. 2004
Sister taxa: Apudites, Bradoriamorphes, Branchiopoda, Canadaspidida, Cephalocarida, Cirripedia, Copepoda, Maxillopoda, Nuculina, Oelandocaris, Ostracoda, Protocaridida, Remipedia, Waptiida
Subtaxa: Aeschronectida, Belotelsonidea, Cumacea, Eocaridacea, Eucarida, Eumalacostraca, Hoplocarida, Hoplostraca, Hymenostraca, Isopoda, Lophogastrida, Palaeocaridacea, Palaeostomatopoda, Phyllocarida, Silesicaris, Tanaidacea, Waterstonellidea
Ecology: epifaunal omnivore