Parent taxon: Heterotremata according to J. M. Wolfe et al. 2019
See also Ahyong et al. 2007, Collins and Wienberg Rasmussen 1992, Feldmann et al. 1995, Feldmann and Keys 1992, Feldmann et al. 2003, Karasawa and Schweitzer 2006, Lima et al. 2024, Luque et al. 2017, Schweitzer 2003, Schweitzer 2005, Schweitzer and Feldmann 2001, Schweitzer and Feldmann 2002, Schweitzer et al. 2004, Schweitzer et al. 2006, Schweitzer et al. 2010, Schweitzer and Karasawa 2004, Squires 1980, Squires 1984, Tiwari et al. 1997 and Vega et al. 2001
Sister taxa: Aethroidea, Archaeochiapasidae, Bellioidea, Bythograeoidea, Calappoidea, Cancroidea, Carpilioidea, Cheiragonoidea, Componocancroidea, Corystoidea, Dairoidea, Dorippoidea, Eriphioidea, Gecarcinucoidea, Goneplacoidea, Hexapodoidea, Hymenosomatoidea, Leucosioidea, Leucosoidea, Maioidea, Majoidea, Marocarcinidae, Montezumelloidea, Orithyioidea, Parthenopoidea, Pilumnoidea, Pilumnoidoidea, Portunoidea, Potamoidea, Progeryonoidea, Pseudothelphusoidea, Retroplumoidea, Trichodactyloidea, Trichopeltarioidea
Subtaxa: Actaeites Actaeopsis Alponella Bernuffius Caprocancer Colpocaris Cretachlorodius Eoxanthias Frontelata Gwana Haydnella Megaxantho Muelleroplax Nogarolia Panopeidae Paraxanthosia Pilumnomimus Pregeryona Prochlorodius Pseudorhombilidae Sculptoplax Syphaxiella Telphusograpsus Vestenanovia Woodbinax Xanthidae Xanthosioides
Type: Xantho
Ecology: infaunal carnivore