The Plagusiidae are a family of crabs, formerly treated as a subfamily of the family Grapsidae, but hae since been considered sufficiently distinct to be a family in their own right. Six genera are included in the family: \n* Davusia Guinot, 2007 \n* Euchirograpsus H. Milne-Edwards, 1853 \n* Guinusia Schubart & Cuesta, 2010 \n* Miersiograpsus Türkay, 1978 \n* Percnon Gistel, 1848 \n* Plagusia Latreille, 1804