Thoracosphaera arctica Gilbert & Clark, 1983
Gilbert, M. W. & Clark, D. L., (1983): General Arctic Ocean palaeoceanographic interpretations based on Late Cenozoic calcareous dinoflagellates. - Marine Micropaleontology. 7(5): 385-401.
Streng, M., Hildebrand-Habel, T. & Willems, H., (2002): Revision of the genera Sphaerodinella Keupp and Versteegh, 1989 and Orthopithonella Keupp in Keupp and Mutterlose, 1984 (Calciodinelloideae, calcareous dinoflagellate cysts). - Journal of Paleontology. 76(3): 397-407.