Infraorder Polychelida Scholtz and Richter 1995 (decapod)
Parent taxon: Pleocyemata according to C.E. Schweitzer and R.M. Feldmann 2023
See also De Grave et al. 2009, Hegna et al. 2020 and Wolfe et al. 2019
Sister taxa: Achelata, Astacidea, Axiidea, Caridea, Gebiidea, Procaridea, Reptantia, Stenopodea, Stenopodidea
Subtaxa: Adamanteryon Eopolycheles Eryonoidea Tonneleryon
Ecology: semi-infaunal carnivore