Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960 Labrophora Siveter, Waloszek & Williams Eucrustacea Kingsley, 1894 Entomostraca O.F. Müller, 1785 Maxillopoda Dahl, 1956 see [unranked] Crustaceomorpha Chernyshev, 1960 "thecostracan lineage"