Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960 Labrophora Siveter, Waloszek & Williams Eucrustacea Kingsley, 1894 1 Malacostraca Latreille 1802 see Class Malacostraca Latreille, 1802 2 Entomostraca O.F. Müller, 1785