Infraorder Axiidea Saint Laurent 1979 (decapod)
Parent taxon: Reptantia according to J. M. Wolfe et al. 2019
See also Schweitzer et al. 2010
Sister taxa: Achelata, Astacidea, Astacura, Gebiidea, Glypheidea, Meiura, Thalassinidea
Subtaxa: Axioidea Callianassoidea Psammionassa
Ecology: infaunal detritivore