Group †Calcitarcha G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009), incertae sedis [polyphyletic] - calcispheres
Count: [†*] †55g [18 Apr 2016]
   †Pithonelloid taxa
  Count: [†*] †12g [18 Apr 2016]
     Genus †Burocratus Trejo (1983)
    Count: -