Superfamily †Cycloidea Packard, 1885 - cycloids see Order Cycloidea Schram, Vonk & Hof, 1997 Family †Mesoprosoponidae Glaessner, 1928 see Family Mesoprosopidae Glaessner, 1928 Genus †Mesoprosopon Stolley, 1914 1 †Mesoprosopon triasinum Stolley, 1915