Order Cumacea Kroyer 1846 (hooded shrimp)
Parent taxon: Malacostraca according to J. J. Sepkoski 2002
Sister taxa: Aeschronectida, Belotelsonidea, Eocaridacea, Eucarida, Eumalacostraca, Hoplocarida, Hoplostraca, Hymenostraca, Isopoda, Lophogastrida, Palaeocaridacea, Palaeostomatopoda, Phyllocarida, Silesicaris, Tanaidacea, Waterstonellidea
Subtaxa: Nannastacus, Palaeocuma
Ecology: epifaunal omnivore