Ligiidae is a family of woodlice, the only family in the infraorder Diplocheta. Its members are common on rocky shores, in similar habitats to those inhabited by species of the bristletail Petrobius and the crab Cyclograpsus. The family contains the following genera: \n* Caucasoligidium Borutzky, 1950 \n* Ligia Fabricius, 1798 \n* Ligidioides Wahrberg, 1922 \n* Ligidium Brandt, 1833 \n* Tauroligidium Borutzky, 1950 \n* Typhloligidium Verhoeff, 1918