"Heterococcoliths"
   "Placoliths"
     Order †Podorhabdales Rood et al. (1971)
       ?Family †Cretarhabdaceae Thierstein (1973)
         Genus †Cretarhabdus Bramlette & Martini (1964)
         Genus †Cruciellipsis Thierstein (1971)
         ?Genus †Flabellites H.R. Thierstein (1973)
         Genus †Grantarhabdus M. Black (1971)
         Genus †Helenea T.R. Worsley (1971)
         Genus †Mirevetesina Grun, in Grun & Allemann (1975)
         ?Genus †Pickelhaube Applegate, Covington & Wise (1987)
         Genus †Polypodorhabdus Noel (1965)
         Genus †Retecapsa M. Black (1971)
         Genus †Speetonia Black (1971)