Tags: Crustacean.
Platyarthridae is a family of woodlice containing the following genera:Cephaloniscus Ferrara & Taiti 1989Echinochaetus Ferrara & Schmalfuss 1983Gerufa Budde-Lund 1909Lanceochaetus Schmalfuss & Ferrara 1978Manibia Barnard 1932Niambia Budde-Lund 1904Papuasoniscus Vandel 1973Platyarthrus Brandt 1833Trichorhina Budde-Lund 1908They are mostly less than 6 millimetres (0.24 in) long and cannot roll into a ball (conglobate).