Crustacea Brünnich, 1772 see [unranked] Crustaceomorpha Chernyshev, 1960
   1 [unranked] †Oelandocarididae Haug, Maas & Waloszek, 2009
   2.1 [unranked] †Cambropachycopidae Walossek & Müller, 1990, nom. nud.
   2.2.1 Genus †Martinssonia Müller & Walossek, 1986
   2.2.2 Labrophora Siveter, Waloszek & Williams