title: Tuscaridium
text: # Tuscaridium
  
  Tuscaridium is a genus of phaeodarian, (formerly thought to be radiolarians). The genus contains bioluminescent species. It one of two known bioluminescent phaeodarean genera, the other being Aulosphaera.
  
  ## Species
  
  The following species are known (incomplete list):
  
  * Tuscaridium cygneum
  