CollosphaeraCollosphaera is a radiolarian genus in the family Collosphaeridae. The genus contains bioluminescent species. It is a genus of colonial radiolarians.SpeciesThe following species are recognized:Collosphaera armata BrandtCollosphaera confossa Takahashi, 1991Collosphaera huxleyi Mueller, 1855Collosphaera macropora Popofsky, 1917Collosphaera polygona Haeckel, 1887Collosphaera tuberosa Haeckel, 1887