SiphonosphaeraSiphonosphaera is a genus of radiolarians. The genus contains bioluminescent species. It is a genus of colonial radiolarians.SpeciesThe following species are recognized:Siphonosphaera hippotisSiphonosphaera magnisphaera Takahashi, 1991Siphonosphaera martensi Brandt, 1905Siphonosphaera polysiphonia Haeckel, 1887Siphonosphaera socialis Haeckel, 1887