Stygocarididae is a family of crustaceans belonging to the order Anaspidacea. Genera: Oncostygocaris Schminke, 1980 Parastygocaris Noodt, 1963 Stygocarella...
in caves. The families Psammaspididae and Stygocarididae are both restricted to caves, but Stygocarididae has a much wider distribution than the other...