Group †Calcitarcha G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009), incertae sedis [polyphyletic] - calcispheres
   †Pithonelloid taxa
     01 Genus †Bonetiella Trejo (1983)
     02 Genus †Bonetocardiella T. Dufour (1968)
     03 Genus †Burocratus Trejo (1983)
     04 Genus †Lentodinella Kienel (1994)
     05 Genus †Navarella G.J.M. Versteegh, T. Servais, Streng, Munnecke & Vachard (2009) see Genus Navarrella Trejo (1993)
     06 Genus †Normandia Zügel (1994) see Genus Zugelia Özdikmen (2009)
     07 Genus †Pithonella T. Lorenz (1902)
     08 Genus †Pleurozonaria Wetzel (1933)
     09 Genus †Praecalcisphaerula Trejo (1983)
     10 Genus †Risserella Trejo (1983)
     11 Genus †Septiareata Kienel (1994)
     12 Genus †Wallia Keupp (1990)