"Heterococcoliths"
   "Muroliths"
     Order Stephanolithiales (Bown & Young, 1997)
       Family †Stephanolithiaceae Black (1968)
         Genus †Corollithion Stradner (1962)
         Genus †Rectilius Goy (1979)
         Genus †Rhombolithion Black (1973)
         Genus †Rotelapillus Noel (1973)
         Genus †Stephanolithion Deflandre (1939)
         Genus †Stoverius Perch-Nielsen (1984)
         Genus †Stradnerlithus M. Black (1971)
         Genus †Truncatoscaphus Rood, W. Hay & Barnard (1971)