"Heterococcoliths"
Count: -
   "Placoliths"
  Count: †3o10f63g
     Order †Podorhabdales Rood et al. (1971)
    Count: †7f42g
       Family †Calyculaceae Noel (1973)
      Count: †2g
         Genus †Calyculus D. Noel (1973)
        Count: -
         Genus †Carinolithus B. Prins, in Grun, Prins & Zweili (1974)
        Count: -