Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960
   Labrophora Siveter, Waloszek & Williams
     †Phosphatocopina Müller, 1964 see Order Phosphatocopida Müller, 1964
       1 †"Phosphatocopida sp." see Klausmuelleria salopensis Siveter et al., 2003
       2 †Euphosphatocopina Maas, Waloszek & Müller, 2003 see [unranked] Euphosphatocopida