Euarthropoda †Lamellipedia see Superclass Lamellipedia Hou & Bergström, 1997 †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997 Order †Nektaspida Raymond, 1920 - nektaspids see Class Nektaspida Raymond, 1920 Family †Emucarididae Paterson et al., 2010 1 Genus †Kangacaris Paterson et al., 2010 2 Genus †Emucaris Paterson et al., 2010