Prediscosphaera decorata Vekshina, 1959
Deflandrius Bramlette & Martini 1964
Bramlette, M. N. & Martini, E., (1964): The great change in calcareous nannoplankton fossils between the Maastrichtian and Danian. - Micropaleontology. 10(2): 291-322.
Vekshina, V.N., (1959): Coccolithophoridae of the Maastrichtian deposits of the West Siberian lowlands. - Siberian Science Research Institute of Geology Geophysics Mineralogy and Raw Materials. 2: 56-81.