"Heterococcoliths"
   "Muroliths"
     Order †Eiffellithales Rood, Hay & Barnard (1971)
       Family †Chiastozygaceae Rood, Hay & Barnard (1973)
         Genus †Ahmuellerella P. Reinhardt (1964)
         Genus †Amphizygus Bukry (1969)
         ?Genus †Archaeozygodiscus Bown (1985)
         ?Genus †Bownia Varol & Girgis (1994)
         Genus †Bukrylithus M. Black (1971)
         Genus †Chiastozygus Gartner (1968)
         Genus †Crepidolithus Noel (1965)
         Genus †Diadorhombus Worsley (1971)
         Genus †Gorkaea Varol & Girgis (1994)
         Genus †Heteromarginatus Bukry (1969)
         Genus †Loxolithus D. Noel (1965)
         Genus †Misceomarginatus F.H. Wind & S.W. Wise, in S.W. Wise & F.H. Wind (1977)
         Genus †Monomarginatus F.H. Wind & S.W. Wise, in S.W. Wise & F.H. Wind (1977)
         Genus †Neocrepidolithus A.J.T. Romein (1979)
         ?Genus †Placozygus N. Hoffmann (1970)
         Genus †Reinhardtites Perch-Nielsen (1968)
         Genus †Rhabdophidites H. Manivit (1971)
         Genus †Staurolithites Caratini (1963)
         Genus †Tranolithus Stover (1966)
         Genus †Tubirhabdus B. Prins ex A.P. Rood et al. (1973)
         Genus †Vaucherauvillius Goy (1979)
         Genus †Zeugrhabdotus P. Reinhardt (1965)