Family Hexapodidae Miers 1886 (crab)
Parent taxon: Goneplacoidea according to C. E. Schweitzer et al. 2010
Sister taxa: Acidopsidae, Carinocarcinoididae, Chasmocarcinidae, Conleyidae, Euryplacidae, Goneplacidae, Litocheiridae, Martinocarcinidae, Mathildellidae, Progeryonidae, Scalopidiidae, Vultocinidae
Subtaxa: Bellhexapus, Eohexapus, Eurohexapus, Goniocypoda, Hexapus, Holthuisea
Ecology: epifaunal carnivore