together with Acinodidemnum
coccosphere
Pontosphaera bigelowii Gran & Braarud, 1935
Braarudosphaera deflandrei Lecal-Schlauder, 1949
Braarudosphaera deflandrei maroccana Lecal-Schlauder, 1951
Species of Braarudosphaera with the pentagonal outline. The sutures meet the periphery off the middle in Braarudosphaera bigelowii, whilst the sutures meet the periphery at the middle in Braarudosphaera regularis Black (1973).
Black, M., (1973): British Lower Cretaceous Coccoliths. I-Gault Clay (Part 2). - Palaeontographical Society Monograph, 127: 49-112.
Deflandre, G., (1947): Braarudosphaera nov. gen., type d'une famille nouvelle de Coccolithophorides actuels a elements composites. - Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences. Paris, 225: 439-441.
Gran, H.H. & Braarud, T., (1935): A quantitative study of the phytoplankton in the Bay of Fundy and the Gulf of Maine (including observations on hydrography, chemistry and turbidity). - Journal of the Biological Board of Canada, 1: 279-467.
Lecal-Schlauder, J., (1949): Notes preliminaires sur les coccolithophorides d'Afrique duNord. - Bulletin de la Société d'Histoire Naturelle de l'Afrique du Nord. 4-(5-6): 160-167.
Lecal-Schlauder, J., (1951): Recherches morphologiques et biologiques sur les Coccolithophorides Nord-Africains. - Annales de l'Institut Océanographique, Monaco & Paris. 26: 255-362
Pontosphaera bigelowii
Gran & Braarud, 1935
Recent
Atlantic Ocean