Family Pilumnidae Samouelle 1819 (crab)
Full reference: G. Samouelle. 1819. The Entomologist's Useful Compendium, or An Introduction to the Knowledge of British Insects. London.
Parent taxon: Xanthoidea according to J. W. Martin and G. E. Davis 2001
Sister taxa: Actaeites, Actaeopsis, Caprocancer, Colpocaris, Cretachlorodius, Domeciidae, Eoxanthias, Gwana, Megaxantho, Muelleroplax, Panopeidae, Paraxanthosia, Pilumnomimus, Pregeryona, Prochlorodius, Pseudorhombilidae, Syphaxiella, Tanaocheleidae, Tetraliidae, Thelecarcinus, Thelphusograpsus, Trapeziidae, Woodbinax, Xanthidae, Xanthosioides
Subtaxa: Eumedoninae, Pilumninae, Rhizopinae
Ecology: epifaunal carnivore