Phylum Brachiopoda Duméril, 1806 - brachiopods Subphylum Linguliformea Williams et al., 1996 Class Lingulata Gorjansky & Popov, 1985 Order †Acrotretida Kuhn, 1949 Superfamily †Acrotretoidea Schuchert, 1893 Family †Eoconulidae Rowell, 1965