Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848 Superclass †Proschizoramia Hou & Bergström, 1997 Class †Megacheira Hou & Bergström, 1997 Order †Leanchoiliida Størmer, 1944, nom. corr. Family †Actaeidae Simonetta & Delle Cave, 1975