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 †Leanchoiliidae Raymond, 1935 Genus †Leanchoilia Walcott, 1912 †Leanchoilia superlata Walcott, 1912