Family Panopeidae Ortmann 1893 (crab)
Parent taxon: Xanthoidea according to H. Karasawa and C. E. Schweitzer 2006
Sister taxa: Actaeites, Actaeopsis, Caprocancer, Colpocaris, Cretachlorodius, Domeciidae, Eoxanthias, Gwana, Megaxantho, Muelleroplax, Paraxanthosia, Pilumnidae, Pilumnomimus, Pregeryona, Prochlorodius, Pseudorhombilidae, Syphaxiella, Tanaocheleidae, Tetraliidae, Thelecarcinus, Thelphusograpsus, Trapeziidae, Woodbinax, Xanthidae, Xanthosioides
Subtaxa: Eucratopsinae, Pakicarcinus, Panopeidae orientalis, Panopeinae, Pseudorhombila, Sereneopeus
Ecology: epifaunal carnivore