"Heterococcoliths"
Count: -
   "Placoliths"
  Count: †3o10f63g
     Order †Podorhabdales Rood et al. (1971)
    Count: †7f42g
       Family †Biscutaceae Black (1971)
      Count: †9g
         Genus †Gaarderella Black (1973)
        Count: -