Crustacea Brünnich, 1772
see [unranked] Crustaceomorpha Chernyshev, 1960
Labrophora Siveter, Waloszek & Williams
†Phosphatocopina Müller, 1964
see Order Phosphatocopida Müller, 1964
†Euphosphatocopina Maas, Waloszek & Müller, 2003
see [unranked] Euphosphatocopida
†Hesslandonina Müller, 1964
see Suborder Hesslandonina Müller, 1982
Family †Cyclotronidae Grundel, 1981
Genus †Cyclotron Rushton, 1969
1 †Cyclotron lapworthi (Groom, 1902)