Boletuvelum candens Wind & Wise in Wise & Wind, 1977
A small placolith structure supporting a hollow, sail-like distal process that gradually flares outward and bears longitudinal ornamentation.
Wise, S. W. & Wind, F. H. 1977. Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36: 269-491.