Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960 Labrophora Siveter, Waloszek & Williams Eucrustacea Kingsley, 1894 Entomostraca O.F. Müller, 1785 Cephalocarida H.L. Sanders, 1955 see Class Cephalocarida H.L. Sanders, 1955