Kingdom Animalia Linnaeus, 1758 - animals Phylum Brachiopoda Duméril, 1806 - brachiopods Class Articulata Huxley, 1869 Order †Orthida Schuchert & Cooper, 1932 Superfamily †Billingsellacea see Superfamily Billingselloidea Schuchert, 1893 Genus †Billingsella Hall & Clarke, 1892