Acrosphaera

Acrosphaera is a radiolarian genus in the Collosphaeridae. The genus contains bioluminescent species. It is a genus of colonial radiolarians (as opposed to solitary).

Species
The following species are recognized:
 * Acrosphaera arktios (Nigrini, 1970)
 * Acrosphaera cyrtodon (Haeckel) Strelkov & Reshetnyak, 1971
 * Acrosphaera lappacea (Haeckel) Johnson & Nigrini, 1980
 * Acrosphaera murrayana (Haeckel) Hilmers, 1906
 * Acrosphaera spinosa Caulet, 1986
 * Acrosphaera trepanata