A superfamily of brachiopods containing:Family Dalmanellidae Family Angusticardiniidae Family Dicoelosiidae Family Harknessellidae Family Heterorthidae Family Hypsomyoniidae Family Kayserellidae Family Mystrophoridae Family Paurorthidae Family Platyorthidae Family Portranellidae Family Proschizophoriidae Family Rhipidomellidae Family Tyronellidae