Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848 Superclass †Proschizoramia Hou & Bergström, 1997 Class †Megacheira Hou & Bergström, 1997 Order †Yohoiida Simonetta & Delle Cave, 1975 Family †Yohoiidae Henriksen, 1928