Subfamily Euxanthinae Alcock 1898 (stone crab)
Malacostraca - Decapoda - Xanthidae
Parent taxon: Xanthidae according to C. E. Schweitzer et al. 2010
Sister taxa: Actaeinae, Bernuffius, Chlorodiella, Chlorodiellinae, Cyclocorystes, Cymoinae, Etisinae, Haydnella, Kraussiinae, Liomerinae, Nogarolia, Polydectinae, Sculptoplax, Speocarcininae, Xandaros, Xanthinae, Xantho, Xanthopsis, Zalasiinae, Zosiminae
Subtaxa: Euxanthus, Glyptoxanthus, Hypocolpus, Lipaesthesius, Madaeus, Medaeops, Medaeus, Monodaeus
Ecology: epifaunal carnivore